Enforce handling sys.std{in,out,err} is None
#12485
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As per the Python docs [1], these streams can be None (see [2] for a list of possible circumstances). The current usage of MaybeNone causes a false negative, which is a shame because spreading the little known knowledge that `sys.stderr.write()` is broken code is something that type checkers would otherwise be ideal at. [1]: https://docs.python.org/3/library/sys.html#sys.__stderr__ [2]: python/cpython#122633
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Diff from mypy_primer, showing the effect of this PR on open source code: python-sop (https://gitlab.com/dkg/python-sop)
+ sop/__init__.py:441: error: Item "None" of "TextIO | None" has no attribute "buffer" [union-attr]
+ sop/__init__.py:442: error: Item "None" of "TextIO | None" has no attribute "buffer" [union-attr]
porcupine (https://github.com/Akuli/porcupine)
+ porcupine/__main__.py:156: error: Item "None" of "TextIO | None" has no attribute "read" [union-attr]
mitmproxy (https://github.com/mitmproxy/mitmproxy)
+ mitmproxy/addons/termlog.py:40: error: Incompatible types in assignment (expression has type "IO[str] | None", variable has type "IO[str]") [assignment]
+ mitmproxy/addons/save.py:117: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ mitmproxy/addons/readfile.py:91: error: Item "None" of "TextIO | None" has no attribute "buffer" [union-attr]
+ mitmproxy/addons/errorcheck.py:35: error: Argument 1 to "ensure_supported" has incompatible type "TextIO | None"; expected "IO[str]" [arg-type]
+ mitmproxy/tools/console/master.py:201: error: Item "None" of "TextIO | None" has no attribute "isatty" [union-attr]
+ mitmproxy/addons/dumper.py:50: error: Incompatible types in assignment (expression has type "IO[str] | None", variable has type "IO[str]") [assignment]
+ mitmproxy/tools/main.py:93: error: Argument 2 to "dump_defaults" has incompatible type "TextIO | None"; expected "TextIO" [arg-type]
flake8 (https://github.com/pycqa/flake8)
+ src/flake8/utils.py:188: error: Item "None" of "TextIO | None" has no attribute "buffer" [union-attr]
+ src/flake8/formatting/base.py:52: error: Item "None" of "TextIO | None" has no attribute "isatty" [union-attr]
+ src/flake8/formatting/base.py:178: error: Item "None" of "TextIO | None" has no attribute "buffer" [union-attr]
rich (https://github.com/Textualize/rich)
+ rich/syntax.py:931: error: Item "None" of "TextIO | None" has no attribute "read" [union-attr]
+ rich/style.py:730: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ rich/markdown.py:757: error: Item "None" of "TextIO | None" has no attribute "read" [union-attr]
+ rich/json.py:132: error: Item "None" of "TextIO | None" has no attribute "read" [union-attr]
+ rich/live.py:182: error: Argument 2 to "FileProxy" has incompatible type "TextIO | None"; expected "IO[str]" [arg-type]
+ rich/live.py:185: error: Argument 2 to "FileProxy" has incompatible type "TextIO | None"; expected "IO[str]" [arg-type]
PyWinCtl (https://github.com/Kalmat/PyWinCtl)
+ src/pywinctl/_main.py:980: error: Item "None" of "Optional[TextIO]" has no attribute "write" [union-attr]
+ src/pywinctl/_main.py:981: error: Item "None" of "Optional[TextIO]" has no attribute "write" [union-attr]
+ src/pywinctl/_main.py:982: error: Item "None" of "Optional[TextIO]" has no attribute "write" [union-attr]
+ src/pywinctl/_main.py:983: error: Item "None" of "Optional[TextIO]" has no attribute "flush" [union-attr]
+ src/pywinctl/_main.py:986: error: Item "None" of "Optional[TextIO]" has no attribute "write" [union-attr]
+ src/pywinctl/_main.py:987: error: Item "None" of "Optional[TextIO]" has no attribute "flush" [union-attr]
xarray (https://github.com/pydata/xarray)
+ xarray/core/dataset.py: note: In member "info" of class "Dataset":
+ xarray/core/dataset.py:2613: error: Item "None" of "TextIO | IO[Any] | None" has no attribute "write" [union-attr]
+ xarray/core/dataset.py: note: At top level:
schema_salad (https://github.com/common-workflow-language/schema_salad)
+ schema_salad/utils.py: note: In function "stdout":
+ schema_salad/utils.py:124:22: error: Item "None" of "TextIO | None" has no attribute "fileno" [union-attr]
+ schema_salad/makedoc.py: note: In function "main":
+ schema_salad/makedoc.py:776:9: error: Argument 1 to "makedoc" has incompatible type "TextIO | None"; expected "IO[Any]" [arg-type]
+ schema_salad/codegen.py: note: In function "codegen":
+ schema_salad/codegen.py:69:20: error: Incompatible types in assignment (expression has type "TextIO | None", variable has type "TextIOWrapper[_WrappedBuffer] | TextIO") [assignment]
+ schema_salad/main.py: note: In function "main":
+ schema_salad/main.py:282:13: error: Argument 1 to "makedoc" has incompatible type "TextIO | None"; expected "IO[Any]" [arg-type]
+ schema_salad/main.py:296:34: error: Argument "fp" to "json_dump" has incompatible type "TextIO | None"; expected "IO[str]" [arg-type]
+ schema_salad/main.py:300:58: error: Argument "fp" to "json_dump" has incompatible type "TextIO | None"; expected "IO[str]" [arg-type]
+ schema_salad/main.py:355:40: error: Argument "fp" to "json_dump" has incompatible type "TextIO | None"; expected "IO[str]" [arg-type]
+ schema_salad/main.py:363:32: error: Argument "fp" to "json_dump" has incompatible type "TextIO | None"; expected "IO[str]" [arg-type]
+ schema_salad/main.py:369:25: error: Argument "fp" to "json_dump" has incompatible type "TextIO | None"; expected "IO[str]" [arg-type]
+ schema_salad/main.py:378:39: error: Argument "fp" to "json_dump" has incompatible type "TextIO | None"; expected "IO[str]" [arg-type]
+ schema_salad/main.py:382:46: error: Argument 2 to "print_inheritance" has incompatible type "TextIO | None"; expected "IO[Any]" [arg-type]
+ schema_salad/main.py:386:61: error: Argument 3 to "print_fieldrefs" has incompatible type "TextIO | None"; expected "IO[Any]" [arg-type]
+ schema_salad/main.py:412:36: error: Argument "fp" to "json_dump" has incompatible type "TextIO | None"; expected "IO[str]" [arg-type]
+ schema_salad/main.py:416:60: error: Argument "fp" to "json_dump" has incompatible type "TextIO | None"; expected "IO[str]" [arg-type]
+ schema_salad/main.py:442:40: error: Argument "fp" to "json_dump" has incompatible type "TextIO | None"; expected "IO[str]" [arg-type]
cloud-init (https://github.com/canonical/cloud-init)
+ cloudinit/socket.py:102: error: Item "None" of "TextIO | None" has no attribute "fileno" [union-attr]
+ tools/validate-yaml.py:13: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ tools/validate-yaml.py:18: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ tools/validate-yaml.py:20: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ cloudinit/util.py:457: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ cloudinit/util.py:467: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ cloudinit/util.py:484: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ cloudinit/sources/DataSourceGCE.py:392: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ cloudinit/config/cc_ssh.py:194: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ cloudinit/config/cc_ansible.py:228: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ cloudinit/cmd/status.py:242: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ cloudinit/cmd/status.py:243: error: Item "None" of "TextIO | None" has no attribute "flush" [union-attr]
+ cloudinit/cmd/devel/render.py:114: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ cloudinit/cmd/cloud_id.py:70: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ cloudinit/cmd/cloud_id.py:73: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ cloudinit/cmd/cloud_id.py:95: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ cloudinit/cmd/cloud_id.py:104: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ cloudinit/cmd/main.py:137: error: Item "None" of "TextIO | None" has no attribute "fileno" [union-attr]
+ cloudinit/cmd/main.py:140: error: Item "None" of "TextIO | None" has no attribute "fileno" [union-attr]
+ cloudinit/cmd/main.py:167: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
pandas (https://github.com/pandas-dev/pandas)
+ pandas/util/_print_versions.py:144: error: Item "None" of "TextIO | None" has no attribute "writelines" [union-attr]
+ pandas/_config/display.py:26: error: Item "None" of "TextIO | None" has no attribute "encoding" [union-attr]
+ pandas/io/formats/info.py:586: error: Argument 1 to "buffer_put_lines" has incompatible type "TextIO | WriteBuffer[str] | None"; expected "WriteBuffer[str]" [arg-type]
bokeh (https://github.com/bokeh/bokeh)
+ src/bokeh/command/subcommands/file_output.py: note: In function "write_file":
+ src/bokeh/command/subcommands/file_output.py:181:17: error: Item "None" of "TextIO | None" has no attribute "buffer" [union-attr]
CPython (peg_generator) (https://github.com/python/cpython)
+ Tools/peg_generator/pegen/parser.py:294: error: Item "None" of "TextIO | None" has no attribute "readline" [union-attr]
+ Tools/peg_generator/pegen/parser.py:299: error: Item "None" of "TextIO | None" has no attribute "isatty" [union-attr]
+ Tools/peg_generator/pegen/parser.py:302: error: Item "None" of "TextIO | None" has no attribute "tell" [union-attr]
+ Tools/peg_generator/pegen/parser.py:307: error: Item "None" of "TextIO | None" has no attribute "close" [union-attr]
+ Tools/peg_generator/pegen/__main__.py:47: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ Tools/peg_generator/pegen/__main__.py:72: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
mypy (https://github.com/python/mypy)
+ mypy/util.py:425: error: Item "None" of "Optional[TextIO]" has no attribute "flush" [union-attr]
+ mypy/util.py:425: note: See https://mypy.rtfd.io/en/stable/_refs.html#code-union-attr for more info
+ mypy/util.py:426: error: Item "None" of "Optional[TextIO]" has no attribute "flush" [union-attr]
+ mypy/util.py:647: error: Item "None" of "Optional[TextIO]" has no attribute "fileno" [union-attr]
+ mypy/config_parser.py:294: error: Argument 6 to "parse_section" has incompatible type "Optional[TextIO]"; expected "TextIO" [arg-type]
+ mypy/config_parser.py:304: error: Argument 6 to "parse_section" has incompatible type "Optional[TextIO]"; expected "TextIO" [arg-type]
+ mypy/config_parser.py:446: error: Incompatible default for argument "stderr" (default has type "Optional[TextIO]", argument has type "TextIO") [assignment]
+ mypy/test/testipc.py:114: error: Item "None" of "Optional[TextIO]" has no attribute "flush" [union-attr]
+ mypy/build.py:194: error: Argument 6 to "_build" has incompatible type "Optional[TextIO]"; expected "TextIO" [arg-type]
+ mypy/build.py:194: error: Argument 7 to "_build" has incompatible type "Optional[TextIO]"; expected "TextIO" [arg-type]
+ mypy/stubtest.py:70: error: Argument 1 to "FancyFormatter" has incompatible type "Optional[TextIO]"; expected "IO[str]" [arg-type]
+ mypy/stubtest.py:70: error: Argument 2 to "FancyFormatter" has incompatible type "Optional[TextIO]"; expected "IO[str]" [arg-type]
+ mypy/stubgen.py:1479: error: Item "None" of "Optional[TextIO]" has no attribute "write" [union-attr]
+ mypy/stubgen.py:1605: error: Item "None" of "Optional[TextIO]" has no attribute "write" [union-attr]
+ mypy/main.py:51: error: Incompatible default for argument "stdout" (default has type "Optional[TextIO]", argument has type "TextIO") [assignment]
+ mypy/main.py:52: error: Incompatible default for argument "stderr" (default has type "Optional[TextIO]", argument has type "TextIO") [assignment]
+ mypy/main.py:1406: error: Argument 2 to "fail" has incompatible type "Optional[TextIO]"; expected "TextIO" [arg-type]
+ mypy/main.py:1409: error: Argument 2 to "fail" has incompatible type "Optional[TextIO]"; expected "TextIO" [arg-type]
+ mypy/main.py:1425: error: Argument 2 to "fail" has incompatible type "Optional[TextIO]"; expected "TextIO" [arg-type]
+ mypy/main.py:1525: error: Item "None" of "Optional[TextIO]" has no attribute "write" [union-attr]
+ mypy/main.py:1530: error: Item "None" of "Optional[TextIO]" has no attribute "write" [union-attr]
+ mypy/__main__.py:16: error: Item "None" of "Optional[TextIO]" has no attribute "flush" [union-attr]
+ mypy/__main__.py:17: error: Item "None" of "Optional[TextIO]" has no attribute "flush" [union-attr]
+ mypy/__main__.py:22: error: Item "None" of "Optional[TextIO]" has no attribute "fileno" [union-attr]
+ mypy/__main__.py:27: error: Item "None" of "Optional[TextIO]" has no attribute "write" [union-attr]
+ mypy/__main__.py:28: error: Argument 1 to "FancyFormatter" has incompatible type "Optional[TextIO]"; expected "IO[str]" [arg-type]
+ mypy/__main__.py:28: error: Argument 2 to "FancyFormatter" has incompatible type "Optional[TextIO]"; expected "IO[str]" [arg-type]
+ mypy/__main__.py:30: error: Item "None" of "Optional[TextIO]" has no attribute "write" [union-attr]
+ mypy/__main__.py:31: error: Item "None" of "Optional[TextIO]" has no attribute "flush" [union-attr]
+ mypy/__main__.py:32: error: Item "None" of "Optional[TextIO]" has no attribute "flush" [union-attr]
+ mypy/dmypy_server.py:83: error: Item "None" of "Optional[TextIO]" has no attribute "flush" [union-attr]
+ mypy/dmypy_server.py:84: error: Item "None" of "Optional[TextIO]" has no attribute "flush" [union-attr]
+ mypy/dmypy_server.py:203: error: Argument 1 to "FancyFormatter" has incompatible type "Optional[TextIO]"; expected "IO[str]" [arg-type]
+ mypy/dmypy_server.py:203: error: Argument 2 to "FancyFormatter" has incompatible type "Optional[TextIO]"; expected "IO[str]" [arg-type]
+ mypy/dmypy_server.py:224: error: Item "None" of "Optional[TextIO]" has no attribute "isatty" [union-attr]
+ mypy/dmypy_server.py:225: error: Item "None" of "Optional[TextIO]" has no attribute "isatty" [union-attr]
+ mypy/dmypy_server.py:345: error: Argument 3 to "load_plugins" has incompatible type "Optional[TextIO]"; expected "TextIO" [arg-type]
+ mypy/dmypy/client.py:562: error: Item "None" of "Optional[TextIO]" has no attribute "write" [union-attr]
+ mypy/dmypy/client.py:563: error: Item "None" of "Optional[TextIO]" has no attribute "flush" [union-attr]
+ mypy/dmypy/client.py:564: error: Item "None" of "Optional[TextIO]" has no attribute "write" [union-attr]
+ mypy/dmypy/client.py:565: error: Item "None" of "Optional[TextIO]" has no attribute "flush" [union-attr]
+ mypy/dmypy/client.py:660: error: Item "None" of "Optional[TextIO]" has no attribute "isatty" [union-attr]
+ mypy/dmypy/client.py:676: error: Item "None" of "Optional[TextIO]" has no attribute "write" [union-attr]
+ mypy/dmypy/client.py:679: error: Item "None" of "Optional[TextIO]" has no attribute "write" [union-attr]
+ mypy/test/helpers.py:42: error: Item "None" of "Optional[TextIO]" has no attribute "write" [union-attr]
+ mypy/test/helpers.py:43: error: Item "None" of "Optional[TextIO]" has no attribute "write" [union-attr]
+ mypy/test/helpers.py:77: error: Incompatible default for argument "output" (default has type "Optional[TextIO]", argument has type "IO[str]") [assignment]
+ mypy/test/helpers.py:117: error: Item "None" of "Optional[TextIO]" has no attribute "write" [union-attr]
+ mypy/test/helpers.py:120: error: Item "None" of "Optional[TextIO]" has no attribute "write" [union-attr]
+ mypy/test/helpers.py:124: error: Item "None" of "Optional[TextIO]" has no attribute "write" [union-attr]
+ mypy/test/helpers.py:137: error: Item "None" of "Optional[TextIO]" has no attribute "write" [union-attr]
+ mypy/test/helpers.py:188: error: Item "None" of "Optional[TextIO]" has no attribute "write" [union-attr]
+ mypy/test/helpers.py:206: error: Item "None" of "Optional[TextIO]" has no attribute "write" [union-attr]
+ mypy/test/helpers.py:207: error: Item "None" of "Optional[TextIO]" has no attribute "write" [union-attr]
+ mypy/test/helpers.py:209: error: Item "None" of "Optional[TextIO]" has no attribute "write" [union-attr]
+ mypy/test/helpers.py:212: error: Item "None" of "Optional[TextIO]" has no attribute "write" [union-attr]
+ mypy/test/helpers.py:215: error: Item "None" of "Optional[TextIO]" has no attribute "write" [union-attr]
+ mypy/test/helpers.py:216: error: Item "None" of "Optional[TextIO]" has no attribute "write" [union-attr]
+ mypy/test/testgraph.py:55: error: Argument "stdout" to "BuildManager" has incompatible type "Optional[TextIO]"; expected "TextIO" [arg-type]
+ mypy/test/testgraph.py:56: error: Argument "stderr" to "BuildManager" has incompatible type "Optional[TextIO]"; expected "TextIO" [arg-type]
anyio (https://github.com/agronholm/anyio)
+ src/anyio/to_process.py:206: error: Item "None" of "TextIO | None" has no attribute "buffer" [union-attr]
+ src/anyio/to_process.py:210: error: Item "None" of "TextIO | None" has no attribute "buffer" [union-attr]
+ src/anyio/to_process.py:249: error: Item "None" of "TextIO | None" has no attribute "buffer" [union-attr]
+ src/anyio/to_process.py:250: error: Item "None" of "TextIO | None" has no attribute "buffer" [union-attr]
pip (https://github.com/pypa/pip)
+ src/pip/_internal/cli/spinners.py:40: error: Item "None" of "IO[str] | None" has no attribute "write" [union-attr]
+ src/pip/_internal/cli/spinners.py:48: error: Item "None" of "IO[str] | None" has no attribute "write" [union-attr]
+ src/pip/_internal/cli/spinners.py:50: error: Item "None" of "IO[str] | None" has no attribute "write" [union-attr]
+ src/pip/_internal/cli/spinners.py:52: error: Item "None" of "IO[str] | None" has no attribute "flush" [union-attr]
+ src/pip/_internal/cli/spinners.py:66: error: Item "None" of "IO[str] | None" has no attribute "write" [union-attr]
+ src/pip/_internal/cli/spinners.py:67: error: Item "None" of "IO[str] | None" has no attribute "flush" [union-attr]
+ src/pip/_internal/cli/spinners.py:122: error: Item "None" of "TextIO | None" has no attribute "isatty" [union-attr]
+ src/pip/_internal/cli/spinners.py:127: error: Argument 1 to "hidden_cursor" has incompatible type "TextIO | None"; expected "IO[str]" [arg-type]
+ src/pip/_internal/cli/main_parser.py:109: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ src/pip/_internal/cli/main_parser.py:110: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ src/pip/_internal/cli/main.py:67: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ src/pip/_internal/cli/main.py:68: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ src/pip/_internal/utils/entrypoints.py:35: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ src/pip/_internal/operations/install/wheel.py:613: error: Argument 1 to "from_stream" of "StreamWrapper" has incompatible type "TextIO | None"; expected "TextIO" [arg-type]
+ src/pip/_internal/commands/completion.py:127: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ src/pip/_internal/cli/progress_bars.py:66: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ src/pip/_internal/cli/progress_bars.py:67: error: Item "None" of "TextIO | None" has no attribute "flush" [union-attr]
+ src/pip/_internal/commands/freeze.py:108: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ src/pip/_internal/commands/search.py:60: error: Item "None" of "TextIO | None" has no attribute "isatty" [union-attr]
beartype (https://github.com/beartype/beartype)
+ beartype/_util/os/utilostty.py:59: error: Item "None" of "TextIO | None" has no attribute "isatty" [union-attr]
kornia (https://github.com/kornia/kornia)
+ kornia/feature/lightglue_onnx/utils/download.py:55: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
boostedblob (https://github.com/hauntsaninja/boostedblob)
+ boostedblob/cli.py:229: error: Item "None" of "Optional[TextIO]" has no attribute "buffer" [union-attr]
sphinx (https://github.com/sphinx-doc/sphinx)
+ sphinx/_cli/util/colour.py: note: In function "terminal_supports_colour":
+ sphinx/_cli/util/colour.py:24:16: error: Item "None" of "TextIO | None" has no attribute "isatty" [union-attr]
+ sphinx/util/console.py: note: In function "color_terminal":
+ sphinx/util/console.py:103:12: error: Item "None" of "TextIO | None" has no attribute "isatty" [union-attr]
+ sphinx/_cli/__init__.py: note: In member "error" of class "_RootArgumentParser":
+ sphinx/_cli/__init__.py:164:9: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ sphinx/_cli/__init__.py: note: In function "_parse_command":
+ sphinx/_cli/__init__.py:238:9: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ sphinx/_cli/__init__.py:244:9: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ sphinx/_cli/__init__.py:248:9: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ sphinx/ext/coverage.py: note: In member "write_py_coverage" of class "CoverageBuilder":
+ sphinx/ext/coverage.py:405:43: error: Argument 1 to "_write_py_statistics" of "CoverageBuilder" has incompatible type "TextIO | None"; expected "TextIO" [arg-type]
+ sphinx/_cli/util/errors.py: note: In function "handle_exception":
+ sphinx/_cli/util/errors.py:88:22: error: Incompatible default for argument "stderr" (default has type "TextIO | None", argument has type "TextIO") [assignment]
+ sphinx/cmd/build.py: note: In function "handle_exception":
+ sphinx/cmd/build.py:40:79: error: Incompatible default for argument "stderr" (default has type "TextIO | None", argument has type "TextIO") [assignment]
+ sphinx/cmd/build.py: note: In function "_parse_logging":
+ sphinx/cmd/build.py:281:12: error: Incompatible return value type (got "tuple[TextIO | None, TextIO | None, TextIO | None, TextIOWrapper[_WrappedBuffer] | None]", expected "tuple[TextIO | None, TextIO | None, TextIO, TextIO | None]") [return-value]
openlibrary (https://github.com/internetarchive/openlibrary)
+ openlibrary/coverstore/archive.py: note: In function "audit":
+ openlibrary/coverstore/archive.py:427: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ openlibrary/coverstore/archive.py:432: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ openlibrary/coverstore/archive.py:434: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ openlibrary/coverstore/archive.py:436: error: Item "None" of "TextIO | None" has no attribute "flush" [union-attr]
+ openlibrary/coverstore/archive.py:437: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ openlibrary/coverstore/archive.py:438: error: Item "None" of "TextIO | None" has no attribute "flush" [union-attr]
dd-trace-py (https://github.com/DataDog/dd-trace-py)
+ ddtrace/internal/writer/writer.py:106: error: Incompatible default for argument "out" (default has type "TextIO | None", argument has type "TextIO") [assignment]
trio (https://github.com/python-trio/trio)
+ src/trio/_tools/mypy_annotate.py:111: error: Item "None" of "Optional[TextIO]" has no attribute "__iter__" (not iterable) [union-attr]
+ src/trio/_tools/mypy_annotate.py:118: error: Item "None" of "Optional[TextIO]" has no attribute "write" [union-attr]
pytest (https://github.com/pytest-dev/pytest)
+ src/_pytest/_io/terminalwriter.py:78: error: Item "None" of "TextIO | None" has no attribute "isatty" [union-attr]
+ src/_pytest/_io/terminalwriter.py:84: error: Argument 1 to "AnsiToWin32" has incompatible type "TextIO | None"; expected "TextIO" [arg-type]
+ src/_pytest/_io/terminalwriter.py:87: error: Argument 1 to "should_do_markup" has incompatible type "TextIO | None"; expected "TextIO" [arg-type]
+ src/_pytest/_io/terminalwriter.py:165: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ src/_pytest/_io/terminalwriter.py:174: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ src/_pytest/_io/terminalwriter.py:184: error: Item "None" of "TextIO | None" has no attribute "flush" [union-attr]
+ src/_pytest/config/__init__.py:202: error: Item "None" of "TextIO | None" has no attribute "flush" [union-attr]
+ src/_pytest/config/__init__.py:208: error: Item "None" of "TextIO | None" has no attribute "fileno" [union-attr]
+ src/_pytest/config/__init__.py:432: error: Incompatible types in assignment (expression has type "TextIO | None", variable has type "IO[str]") [assignment]
+ src/_pytest/config/__init__.py:1153: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ src/_pytest/config/__init__.py:1176: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ src/_pytest/config/__init__.py:1177: error: Item "None" of "TextIO | None" has no attribute "flush" [union-attr]
+ src/_pytest/terminal.py:383: error: Item "None" of "TextIO | None" has no attribute "isatty" [union-attr]
+ src/_pytest/main.py:296: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ src/_pytest/main.py:307: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ src/_pytest/main.py:310: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ src/_pytest/main.py:324: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ src/_pytest/capture.py:141: error: Argument 1 to "_windowsconsoleio_workaround" has incompatible type "TextIO | None"; expected "TextIO" [arg-type]
+ src/_pytest/capture.py:159: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ src/_pytest/capture.py:160: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ src/_pytest/doctest.py:312: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ src/_pytest/doctest.py:313: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ src/_pytest/debugging.py:287: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ src/_pytest/debugging.py:288: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ src/_pytest/pytester.py:1176: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ src/_pytest/pytester.py:1177: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ src/_pytest/helpconfig.py:123: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ src/_pytest/helpconfig.py:127: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ src/_pytest/helpconfig.py:138: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ src/_pytest/helpconfig.py:144: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ src/_pytest/helpconfig.py:146: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ testing/test_capture.py:1029: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ testing/test_capture.py:1034: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ testing/test_capture.py:1038: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ testing/test_capture.py:1055: error: Item "None" of "TextIO | None" has no attribute "mode" [union-attr]
+ testing/test_capture.py:1082: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ testing/test_capture.py:1083: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ testing/test_capture.py:1091: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ testing/test_capture.py:1099: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ testing/test_capture.py:1103: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ testing/test_capture.py:1109: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ testing/test_capture.py:1110: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ testing/test_capture.py:1133: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ testing/test_capture.py:1134: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ testing/test_capture.py:1157: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ testing/test_capture.py:1158: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ testing/test_capture.py:1165: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ testing/test_capture.py:1166: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ testing/test_capture.py:1183: error: Item "None" of "TextIO | None" has no attribute "read" [union-attr]
+ testing/test_capture.py:1226: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ testing/test_capture.py:1227: error: Item "None" of "TextIO | None" has no attribute "flush" [union-attr]
+ testing/test_capture.py:1230: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ testing/test_capture.py:1231: error: Item "None" of "TextIO | None" has no attribute "flush" [union-attr]
+ testing/test_capture.py:1331: error: Item "None" of "TextIO | None" has no attribute "encoding" [union-attr]
+ testing/test_capture.py:1338: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ testing/test_capture.py:1339: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ testing/test_capture.py:1619: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ testing/io/test_terminalwriter.py:51: error: Item "None" of "TextIO | None" has no attribute "isatty" [union-attr]
+ src/_pytest/faulthandler.py:57: error: Item "None" of "TextIO | None" has no attribute "fileno" [union-attr]
scikit-learn (https://github.com/scikit-learn/scikit-learn)
+ sklearn/__init__.py:72: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
cki-lib (https://gitlab.com/cki-project/cki-lib)
- cki_lib/logger.py:118: error: Incompatible types in assignment (expression has type "StreamHandler[TextIO | Any]", variable has type "WatchedFileHandler") [assignment]
+ cki_lib/logger.py:118: error: Incompatible types in assignment (expression has type "StreamHandler[TextIO]", variable has type "WatchedFileHandler") [assignment]
+ cki_lib/logger.py:171: error: Incompatible default for argument "stream" (default has type "TextIO | None", argument has type "TextIO") [assignment]
+ cki_lib/yaml.py:217: error: Item "None" of "TextIO | None" has no attribute "read" [union-attr]
+ cki_lib/yaml.py:235: error: Argument 2 to "dump" has incompatible type "TextIO | None"; expected "SupportsWrite[str]" [arg-type]
+ cki_lib/yaml.py:239: error: Item "None" of "TextIO | None" has no attribute "read" [union-attr]
+ cki_lib/yaml.py:247: error: Item "None" of "TextIO | None" has no attribute "read" [union-attr]
+ cki_lib/yaml.py:255: error: Item "None" of "TextIO | None" has no attribute "read" [union-attr]
freqtrade (https://github.com/freqtrade/freqtrade)
+ freqtrade/configuration/load_config.py:62: error: Item "None" of "TextIO | None" has no attribute "__enter__" [union-attr]
+ freqtrade/configuration/load_config.py:62: error: Item "None" of "TextIO | None" has no attribute "__exit__" [union-attr]
+ freqtrade/commands/list_commands.py:279: error: Argument 1 to "DictWriter" has incompatible type "TextIO | None"; expected "SupportsWrite[str]" [arg-type]
spark (https://github.com/apache/spark)
+ python/pyspark/profiler.py:471: error: Item "None" of "TextIO | Any | None" has no attribute "write" [union-attr]
+ python/pyspark/profiler.py:472: error: Item "None" of "TextIO | Any | None" has no attribute "write" [union-attr]
+ python/pyspark/profiler.py:473: error: Item "None" of "TextIO | Any | None" has no attribute "write" [union-attr]
+ python/pyspark/profiler.py:498: error: Item "None" of "TextIO | Any | None" has no attribute "write" [union-attr]
+ python/pyspark/profiler.py:499: error: Item "None" of "TextIO | Any | None" has no attribute "write" [union-attr]
+ python/pyspark/core/broadcast.py:187: error: Argument 1 to "print_exec" has incompatible type "TextIO | None"; expected "TextIO" [arg-type]
+ python/pyspark/ml/torch/distributor.py:494: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ python/pyspark/sql/connect/shell/progress.py:90: error: Incompatible default for argument "output" (default has type "TextIO | None", argument has type "IO[Any]") [assignment]
pyinstrument (https://github.com/joerick/pyinstrument)
+ pyinstrument/profiler.py:284: error: Incompatible default for argument "file" (default has type "TextIO | None", argument has type "IO[str]") [assignment]
websockets (https://github.com/aaugustin/websockets)
+ src/websockets/__main__.py:52: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ src/websockets/__main__.py:68: error: Item "None" of "TextIO | None" has no attribute "flush" [union-attr]
+ src/websockets/__main__.py:72: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ src/websockets/__main__.py:80: error: Item "None" of "TextIO | None" has no attribute "flush" [union-attr]
CPython (Argument Clinic) (https://github.com/python/cpython)
+ Tools/clinic/libclinic/cli.py:228: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
nox (https://github.com/wntrblm/nox)
+ nox/popen.py:86: error: Item "None" of "Optional[TextIO]" has no attribute "flush" [union-attr]
+ nox/command.py:142: error: Item "None" of "Optional[TextIO]" has no attribute "write" [union-attr]
+ nox/sessions.py:245: error: Item "None" of "Optional[TextIO]" has no attribute "isatty" [union-attr]
+ nox/_options.py:214: error: Item "None" of "Optional[TextIO]" has no attribute "isatty" [union-attr]
tornado (https://github.com/tornadoweb/tornado)
+ tornado/log.py:57: error: Item "None" of "Optional[TextIO]" has no attribute "isatty" [union-attr]
- tornado/test/runtests.py:186: error: Unused "type: ignore" comment [unused-ignore]
pylint (https://github.com/pycqa/pylint)
+ pylint/reporters/ureports/base_writer.py:34: error: Incompatible default for argument "stream" (default has type "TextIO | None", argument has type "TextIO") [assignment]
+ pylint/utils/docs.py:91: error: Incompatible default for argument "stream" (default has type "TextIO | None", argument has type "TextIO") [assignment]
+ pylint/reporters/base_reporter.py:34: error: Incompatible types in assignment (expression has type "TextIO | None", variable has type "TextIO") [assignment]
+ pylint/config/arguments_manager.py:293: error: Argument 1 to "format_section" has incompatible type "TextIO | None"; expected "TextIO" [arg-type]
psycopg (https://github.com/psycopg/psycopg)
+ tests/fix_db.py:140: error: Item "None" of "TextIO | None" has no attribute "fileno" [union-attr]
mypy-protobuf (https://github.com/dropbox/mypy-protobuf)
+ mypy_protobuf/main.py:1043: error: Item "None" of "TextIO | None" has no attribute "buffer" [union-attr]
+ mypy_protobuf/main.py:1061: error: Item "None" of "TextIO | None" has no attribute "buffer" [union-attr]
scrapy (https://github.com/scrapy/scrapy)
+ scrapy/utils/display.py:33: error: Item "None" of "TextIO | None" has no attribute "isatty" [union-attr]
- scrapy/utils/log.py:131: error: Unused "type: ignore" comment [unused-ignore]
+ scrapy/cmdline.py:203: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ scrapy/commands/fetch.py:66: error: Item "None" of "TextIO | None" has no attribute "buffer" [union-attr]
+ scrapy/commands/edit.py:27: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ scrapy/extensions/feedexport.py:182: error: Item "None" of "TextIO | None" has no attribute "buffer" [union-attr]
werkzeug (https://github.com/pallets/werkzeug)
+ src/werkzeug/_internal.py:73: error: Argument 1 to "AnsiToWin32" has incompatible type "TextIO | None"; expected "TextIO" [arg-type]
+ src/werkzeug/debug/console.py:196: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ tests/test_debug.py:196: error: Incompatible types in assignment (expression has type "HTMLStringO", variable has type "TextIO | None") [assignment]
+ tests/test_debug.py:199: error: Item "TextIO" of "TextIO | None" has no attribute "reset" [union-attr]
+ tests/test_debug.py:199: error: Item "None" of "TextIO | None" has no attribute "reset" [union-attr]
+ tests/test_debug.py:201: error: Item "TextIO" of "TextIO | None" has no attribute "reset" [union-attr]
+ tests/test_debug.py:201: error: Item "None" of "TextIO | None" has no attribute "reset" [union-attr]
+ tests/test_debug.py:213: error: Incompatible types in assignment (expression has type "HTMLStringO", variable has type "TextIO | None") [assignment]
+ tests/test_debug.py:216: error: Item "TextIO" of "TextIO | None" has no attribute "reset" [union-attr]
+ tests/test_debug.py:216: error: Item "None" of "TextIO | None" has no attribute "reset" [union-attr]
cwltool (https://github.com/common-workflow-language/cwltool)
+ cwltool/run_job.py: note: In function "handle_software_environment":
+ cwltool/run_job.py:16:9: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ cwltool/run_job.py: note: In function "main":
+ cwltool/run_job.py:64:22: error: Incompatible types in assignment (expression has type "TextIO | None", variable has type "BinaryIO | TextIO") [assignment]
+ cwltool/run_job.py:68:22: error: Incompatible types in assignment (expression has type "TextIO | None", variable has type "BinaryIO | TextIO") [assignment]
+ cwltool/job.py: note: In function "_job_popen":
+ cwltool/job.py:941:13: error: Incompatible types in assignment (expression has type "IO[bytes] | TextIO | None", variable has type "IO[bytes] | TextIO") [assignment]
+ cwltool/job.py:947:13: error: Incompatible types in assignment (expression has type "IO[bytes] | TextIO | None", variable has type "IO[bytes] | TextIO") [assignment]
+ cwltool/main.py: note: In function "main":
+ cwltool/main.py:957:22: error: Incompatible default for argument "stdin" (default has type "TextIO | None", argument has type "IO[Any]") [assignment]
+ cwltool/main.py:959:23: error: Incompatible default for argument "stderr" (default has type "TextIO | None", argument has type "IO[Any]") [assignment]
+ cwltool/main.py:969:48: error: Item "None" of "TextIO | None" has no attribute "encoding" [union-attr]
+ cwltool/main.py:974:43: error: Item "None" of "TextIO | None" has no attribute "buffer" [union-attr]
+ tests/test_context.py: note: In function "test_replace_default_stdout_stderr":
+ tests/test_context.py:17:18: error: Incompatible types in assignment (expression has type "str", variable has type "TextIO | None") [assignment]
+ tests/test_context.py:18:18: error: Incompatible types in assignment (expression has type "str", variable has type "TextIO | None") [assignment]
jax (https://github.com/google/jax)
+ jax/tools/build_utils.py:77: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ jax/tools/build_utils.py:78: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ jax/tools/build_utils.py:80: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ jax/tools/build_utils.py:83: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ jax/tools/build_utils.py:85: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ jax/tools/build_utils.py:86: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ jax/tools/build_utils.py:93: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ jax/_src/pretty_printer.py:65: error: Item "None" of "TextIO | None" has no attribute "isatty" [union-attr]
+ jax/_src/debugging.py:283: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ jax/_src/test_util.py:230: error: Argument 1 to "_capture_output" has incompatible type "TextIO | None"; expected "TextIO" [arg-type]
+ jax/_src/test_util.py:231: error: Argument 1 to "_capture_output" has incompatible type "TextIO | None"; expected "TextIO" [arg-type]
pywin32 (https://github.com/mhammond/pywin32)
+ Pythonwin/pywin/framework/stdin.py:171:17: error: Incompatible types in assignment (expression has type "Stdin", variable has type "Optional[TextIO]") [assignment]
+ AutoDuck/fixHelpCompression.py:13:5: error: Item "None" of "Optional[TextIO]" has no attribute "write" [union-attr]
+ pywin32_postinstall.py:45:14: error: Incompatible types in assignment (expression has type "Tee", variable has type "Optional[TextIO]") [assignment]
+ pywin32_postinstall.py:46:14: error: Incompatible types in assignment (expression has type "Tee", variable has type "Optional[TextIO]") [assignment]
spack (https://github.com/spack/spack)
+ lib/spack/llnl/util/argparsewriter.py:55: error: Incompatible default for argument "out" (default has type "TextIO | None", argument has type "IO[Any]") [assignment]
+ lib/spack/llnl/util/argparsewriter.py:201: error: Incompatible default for argument "out" (default has type "TextIO | None", argument has type "IO[Any]") [assignment]
+ lib/spack/llnl/util/tty/colify.py:150: error: Item "None" of "TextIO | IO[Any] | None" has no attribute "isatty" [union-attr]
+ lib/spack/llnl/util/tty/colify.py:174: error: Item "None" of "TextIO | IO[Any] | None" has no attribute "write" [union-attr]
+ lib/spack/llnl/util/tty/colify.py:180: error: Item "None" of "TextIO | IO[Any] | None" has no attribute "write" [union-attr]
+ lib/spack/llnl/util/tty/colify.py:184: error: Item "None" of "TextIO | IO[Any] | None" has no attribute "write" [union-attr]
+ lib/spack/llnl/util/tty/colify.py:186: error: Item "None" of "TextIO | IO[Any] | None" has no attribute "write" [union-attr]
+ lib/spack/spack/util/debug.py:58: error: Item "None" of "TextIO | None" has no attribute "fileno" [union-attr]
+ lib/spack/spack/installer.py:132: error: Item "None" of "TextIO | None" has no attribute "isatty" [union-attr]
+ lib/spack/spack/installer.py:136: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ lib/spack/spack/installer.py:137: error: Item "None" of "TextIO | None" has no attribute "flush" [union-attr]
+ lib/spack/spack/installer.py:162: error: Item "None" of "TextIO | None" has no attribute "flush" [union-attr]
+ lib/spack/spack/installer.py:1979: error: Item "None" of "TextIO | None" has no attribute "isatty" [union-attr]
+ lib/spack/spack/graph.py:572: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ lib/spack/spack/graph.py:601: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ lib/spack/spack/cmd/commands.py:113: error: Incompatible default for argument "out" (default has type "TextIO | None", argument has type "IO[Any]") [assignment]
+ lib/spack/spack/cmd/commands.py:874: error: Argument 2 to "prepend_header" has incompatible type "TextIO | None"; expected "IO[Any]" [arg-type]
+ lib/spack/spack/cmd/commands.py:875: error: Argument 2 has incompatible type "TextIO | None"; expected "IO[Any]" [arg-type]
+ lib/spack/spack/cmd/uninstall.py:112: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ lib/spack/spack/cmd/uninstall.py:114: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ lib/spack/spack/cmd/uninstall.py:115: error: Item "None" of "TextIO | None" has no attribute "flush" [union-attr]
+ lib/spack/spack/cmd/logs.py:30: error: Item "None" of "TextIO | None" has no attribute "fileno" [union-attr]
+ lib/spack/spack/cmd/install.py:296: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ lib/spack/spack/cmd/install.py:298: error: Argument 2 to "copyfileobj" has incompatible type "TextIO | None"; expected "SupportsWrite[str]" [arg-type]
+ lib/spack/spack/cmd/deconcretize.py:69: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ lib/spack/spack/cmd/deconcretize.py:71: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ lib/spack/spack/cmd/deconcretize.py:72: error: Item "None" of "TextIO | None" has no attribute "flush" [union-attr]
+ lib/spack/spack/cmd/checksum.py:285: error: Item "None" of "TextIO | None" has no attribute "isatty" [union-attr]
materialize (https://github.com/MaterializeInc/materialize)
+ misc/python/materialize/query_fitness/pick.py:25: error: Item "None" of "TextIO | None" has no attribute "__iter__" (not iterable) [union-attr]
+ misc/python/materialize/mzbuild.py:653: error: Item "None" of "TextIO | None" has no attribute "buffer" [union-attr]
+ misc/python/materialize/mzbuild.py:663: error: Item "None" of "TextIO | None" has no attribute "buffer" [union-attr]
+ misc/python/materialize/scratch.py:110: error: Argument 1 to "writer" has incompatible type "TextIO | None"; expected "SupportsWrite[str]" [arg-type]
+ misc/python/materialize/cli/cloudbench.py:169: error: Argument 1 to "writer" has incompatible type "TextIO | None"; expected "SupportsWrite[str]" [arg-type]
+ misc/python/materialize/cli/scratch/create.py:132: error: Item "None" of "TextIO | None" has no attribute "read" [union-attr]
+ misc/python/materialize/output_consistency/output/output_printer.py:77: error: Item "None" of "TextIO | None" has no attribute "flush" [union-attr]
core (https://github.com/home-assistant/core)
+ homeassistant/__main__.py:160: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ homeassistant/__main__.py:166: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
pegen (https://github.com/we-like-parsers/pegen)
+ src/pegen/parser.py:332: error: Item "None" of "TextIO | None" has no attribute "readline" [union-attr]
+ src/pegen/parser.py:337: error: Item "None" of "TextIO | None" has no attribute "isatty" [union-attr]
+ src/pegen/parser.py:340: error: Item "None" of "TextIO | None" has no attribute "tell" [union-attr]
+ src/pegen/parser.py:345: error: Item "None" of "TextIO | None" has no attribute "close" [union-attr]
+ src/pegen/__main__.py:44: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
alectryon (https://github.com/cpitclaudel/alectryon)
+ alectryon/core.py:419: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
bandersnatch (https://github.com/pypa/bandersnatch)
+ src/bandersnatch/tests/test_filter.py: note: In member "setUp" of class "TestBandersnatchFilter":
+ src/bandersnatch/tests/test_filter.py:30: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ src/bandersnatch/tests/test_filter.py:31: error: Item "None" of "TextIO | None" has no attribute "flush" [union-attr]
aiohttp-devtools (https://github.com/aio-libs/aiohttp-devtools)
+ aiohttp_devtools/runserver/watch.py:129: error: Item "None" of "TextIO | None" has no attribute "fileno" [union-attr]
isort (https://github.com/pycqa/isort)
+ isort/format.py:109: error: Item "None" of "Optional[TextIO]" has no attribute "write" [union-attr]
+ isort/format.py:135: error: Item "None" of "Optional[TextIO]" has no attribute "write" [union-attr]
+ isort/api.py:413: error: Argument "output_stream" to "sort_stream" has incompatible type "Optional[TextIO]"; expected "TextIO" [arg-type]
+ isort/main.py:1035: error: Argument 1 to "find_imports_in_stream" has incompatible type "Optional[TextIO]"; expected "TextIO" [arg-type]
+ isort/main.py:1135: error: Argument "input_stream" to "check_stream" has incompatible type "Optional[TextIO]"; expected "TextIO" [arg-type]
+ isort/main.py:1146: error: Argument "input_stream" to "sort_stream" has incompatible type "Optional[TextIO]"; expected "TextIO" [arg-type]
+ isort/main.py:1147: error: Argument "output_stream" to "sort_stream" has incompatible type "Optional[TextIO]"; expected "TextIO" [arg-type]
+ isort/main.py:1155: error: Item "None" of "Optional[TextIO]" has no attribute "write" [union-attr]
+ isort/main.py:1155: error: Item "None" of "Optional[TextIO]" has no attribute "read" [union-attr]
mkosi (https://github.com/systemd/mkosi)
+ mkosi/log.py:18:30: error: Item "None" of "Optional[TextIO]" has no attribute "isatty" [union-attr]
+ mkosi/log.py:19:34: error: Item "None" of "Optional[TextIO]" has no attribute "isatty" [union-attr]
+ mkosi/log.py:20:27: error: Item "None" of "Optional[TextIO]" has no attribute "isatty" [union-attr]
+ mkosi/log.py:21:30: error: Item "None" of "Optional[TextIO]" has no attribute "isatty" [union-attr]
+ mkosi/log.py:22:26: error: Item "None" of "Optional[TextIO]" has no attribute "isatty" [union-attr]
+ mkosi/run.py:91:9: error: Item "None" of "Optional[TextIO]" has no attribute "flush" [union-attr]
+ mkosi/run.py:92:9: error: Item "None" of "Optional[TextIO]" has no attribute "flush" [union-attr]
+ mkosi/config.py:3911:27: error: Item "None" of "Optional[TextIO]" has no attribute "isatty" [union-attr]
+ mkosi/config.py:3913:20: error: Item "None" of "Optional[TextIO]" has no attribute "isatty" [union-attr]
+ mkosi/qemu.py:1211:46: error: Item "None" of "Optional[TextIO]" has no attribute "fileno" [union-attr]
+ mkosi/qemu.py:1213:13: error: Item "None" of "Optional[TextIO]" has no attribute "fileno" [union-attr]
+ mkosi/qemu.py:1216:46: error: Item "None" of "Optional[TextIO]" has no attribute "fileno" [union-attr]
+ mkosi/qemu.py:1218:13: error: Item "None" of "Optional[TextIO]" has no attribute "fileno" [union-attr]
+ mkosi/qemu.py:1221:46: error: Item "None" of "Optional[TextIO]" has no attribute "fileno" [union-attr]
+ mkosi/qemu.py:1223:13: error: Item "None" of "Optional[TextIO]" has no attribute "fileno" [union-attr]
+ mkosi/__init__.py:2754:8: error: Item "None" of "Optional[TextIO]" has no attribute "isatty" [union-attr]
+ mkosi/__init__.py:2755:39: error: Item "None" of "Optional[TextIO]" has no attribute "fileno" [union-attr]
+ mkosi/__main__.py:41:16: error: Item "None" of "Optional[TextIO]" has no attribute "isatty" [union-attr]
black (https://github.com/psf/black)
+ src/blib2to3/pgen2/tokenize.py:1123:18: error: Item "None" of "Optional[TextIO]" has no attribute "readline" [union-attr]
+ src/black/__init__.py:973:17: error: Item "None" of "Optional[TextIO]" has no attribute "buffer" [union-attr]
+ src/black/__init__.py:1004:47: error: Item "None" of "Optional[TextIO]" has no attribute "buffer" [union-attr]
+ src/black/__init__.py:1018:13: error: Item "None" of "Optional[TextIO]" has no attribute "buffer" [union-attr]
typeshed-stats (https://github.com/AlexWaygood/typeshed-stats)
+ src/typeshed_stats/_cli.py:327: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
check-jsonschema (https://github.com/python-jsonschema/check-jsonschema)
+ src/check_jsonschema/schema_loader/readers.py:66: error: Argument 1 to "load" has incompatible type "TextIO | None"; expected "SupportsRead[str | bytes]" [arg-type]
streamlit (https://github.com/streamlit/streamlit)
+ lib/streamlit/runtime/credentials.py: note: In function "email_prompt":
+ lib/streamlit/runtime/credentials.py:49:18: error: Item "None" of "Optional[TextIO]" has no attribute "encoding" [union-attr]
+ lib/tests/streamlit/web/bootstrap_test.py: note: In member "tearDown" of class "BootstrapPrintTest":
+ lib/tests/streamlit/web/bootstrap_test.py:94:9: error: Item "None" of "Optional[TextIO]" has no attribute "close" [union-attr]
- lib/tests/streamlit/web/bootstrap_test.py:110:15: error: Item "TextIO" of "Union[TextIO, Any]" has no attribute "getvalue" [union-attr]
+ lib/tests/streamlit/web/bootstrap_test.py:110:15: error: Item "TextIO" of "Optional[TextIO]" has no attribute "getvalue" [union-attr]
+ lib/tests/streamlit/web/bootstrap_test.py:110:15: error: Item "None" of "Optional[TextIO]" has no attribute "getvalue" [union-attr]
- lib/tests/streamlit/web/bootstrap_test.py:127:15: error: Item "TextIO" of "Union[TextIO, Any]" has no attribute "getvalue" [union-attr]
+ lib/tests/streamlit/web/bootstrap_test.py:127:15: error: Item "TextIO" of "Optional[TextIO]" has no attribute "getvalue" [union-attr]
+ lib/tests/streamlit/web/bootstrap_test.py:127:15: error: Item "None" of "Optional[TextIO]" has no attribute "getvalue" [union-attr]
- lib/tests/streamlit/web/bootstrap_test.py:149:15: error: Item "TextIO" of "Union[TextIO, Any]" has no attribute "getvalue" [union-attr]
+ lib/tests/streamlit/web/bootstrap_test.py:149:15: error: Item "TextIO" of "Optional[TextIO]" has no attribute "getvalue" [union-attr]
+ lib/tests/streamlit/web/bootstrap_test.py:149:15: error: Item "None" of "Optional[TextIO]" has no attribute "getvalue" [union-attr]
- lib/tests/streamlit/web/bootstrap_test.py:174:15: error: Item "TextIO" of "Union[TextIO, Any]" has no attribute "getvalue" [union-attr]
+ lib/tests/streamlit/web/bootstrap_test.py:174:15: error: Item "TextIO" of "Optional[TextIO]" has no attribute "getvalue" [union-attr]
+ lib/tests/streamlit/web/bootstrap_test.py:174:15: error: Item "None" of "Optional[TextIO]" has no attribute "getvalue" [union-attr]
- lib/tests/streamlit/web/bootstrap_test.py:199:15: error: Item "TextIO" of "Union[TextIO, Any]" has no attribute "getvalue" [union-attr]
+ lib/tests/streamlit/web/bootstrap_test.py:199:15: error: Item "TextIO" of "Optional[TextIO]" has no attribute "getvalue" [union-attr]
+ lib/tests/streamlit/web/bootstrap_test.py:199:15: error: Item "None" of "Optional[TextIO]" has no attribute "getvalue" [union-attr]
- lib/tests/streamlit/web/bootstrap_test.py:220:15: error: Item "TextIO" of "Union[TextIO, Any]" has no attribute "getvalue" [union-attr]
+ lib/tests/streamlit/web/bootstrap_test.py:220:15: error: Item "TextIO" of "Optional[TextIO]" has no attribute "getvalue" [union-attr]
+ lib/tests/streamlit/web/bootstrap_test.py:220:15: error: Item "None" of "Optional[TextIO]" has no attribute "getvalue" [union-attr]
- lib/tests/streamlit/web/bootstrap_test.py:244:15: error: Item "TextIO" of "Union[TextIO, Any]" has no attribute "getvalue" [union-attr]
+ lib/tests/streamlit/web/bootstrap_test.py:244:15: error: Item "TextIO" of "Optional[TextIO]" has no attribute "getvalue" [union-attr]
+ lib/tests/streamlit/web/bootstrap_test.py:244:15: error: Item "None" of "Optional[TextIO]" has no attribute "getvalue" [union-attr]
- lib/tests/streamlit/web/bootstrap_test.py:269:15: error: Item "TextIO" of "Union[TextIO, Any]" has no attribute "getvalue" [union-attr]
+ lib/tests/streamlit/web/bootstrap_test.py:269:15: error: Item "TextIO" of "Optional[TextIO]" has no attribute "getvalue" [union-attr]
+ lib/tests/streamlit/web/bootstrap_test.py:269:15: error: Item "None" of "Optional[TextIO]" has no attribute "getvalue" [union-attr]
- lib/tests/streamlit/web/bootstrap_test.py:294:15: error: Item "TextIO" of "Union[TextIO, Any]" has no attribute "getvalue" [union-attr]
+ lib/tests/streamlit/web/bootstrap_test.py:294:15: error: Item "TextIO" of "Optional[TextIO]" has no attribute "getvalue" [union-attr]
+ lib/tests/streamlit/web/bootstrap_test.py:294:15: error: Item "None" of "Optional[TextIO]" has no attribute "getvalue" [union-attr]
- lib/tests/streamlit/web/bootstrap_test.py:311:15: error: Item "TextIO" of "Union[TextIO, Any]" has no attribute "getvalue" [union-attr]
+ lib/tests/streamlit/web/bootstrap_test.py:311:15: error: Item "TextIO" of "Optional[TextIO]" has no attribute "getvalue" [union-attr]
+ lib/tests/streamlit/web/bootstrap_test.py:311:15: error: Item "None" of "Optional[TextIO]" has no attribute "getvalue" [union-attr]
- lib/tests/streamlit/web/bootstrap_test.py:332:15: error: Item "TextIO" of "Union[TextIO, Any]" has no attribute "getvalue" [union-attr]
+ lib/tests/streamlit/web/bootstrap_test.py:332:15: error: Item "TextIO" of "Optional[TextIO]" has no attribute "getvalue" [union-attr]
+ lib/tests/streamlit/web/bootstrap_test.py:332:15: error: Item "None" of "Optional[TextIO]" has no attribute "getvalue" [union-attr]
- lib/tests/streamlit/web/bootstrap_test.py:341:15: error: Item "TextIO" of "Union[TextIO, Any]" has no attribute "getvalue" [union-attr]
+ lib/tests/streamlit/web/bootstrap_test.py:341:15: error: Item "TextIO" of "Optional[TextIO]" has no attribute "getvalue" [union-attr]
+ lib/tests/streamlit/web/bootstrap_test.py:341:15: error: Item "None" of "Optional[TextIO]" has no attribute "getvalue" [union-attr]
manticore (https://github.com/trailofbits/manticore)
+ tests/native/test_integration_native.py:48: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
+ tests/native/test_integration_native.py:53: error: Item "None" of "TextIO | None" has no attribute "write" [union-attr]
optuna (https://github.com/optuna/optuna)
+ optuna/logging.py:52: error: Item "None" of "TextIO | None" has no attribute "isatty" [union-attr]
prefect (https://github.com/PrefectHQ/prefect)
+ src/prefect/cli/deployment.py:710: error: Item "None" of "TextIO | None" has no attribute "read" [union-attr]
|
|
The error with |
|
As you guessed, this is too disruptive for us to merge :) I'm not convinced that the |
Yeah, I agree although strangely, that doesn't stop people... |
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Not sure if this will float but I thought I'd give it a go anyway...
As per the Python docs, the standard streams can be None (see python/cpython#122633 for a list of possible circumstances). The current usage of MaybeNone causes a false negative, which is a shame because spreading the little known knowledge that
sys.stderr.write()is broken code is something that type checkers would otherwise be ideal at.