Move warning suppression to pytest.ini so it occurs after 'error'.

conftest.py

@@ -1,5 +1,4 @@
 import sys
-import warnings
 
 
 pytest_plugins = 'setuptools.tests.fixtures'
@@ -28,24 +27,3 @@ def pytest_addoption(parser):
 if sys.version_info < (3, 6):
     collect_ignore.append('docs/conf.py')  # uses f-strings
     collect_ignore.append('pavement.py')
-
-
-if sys.version_info > (3, 10):
-    # https://github.com/pypa/setuptools/pull/2865#issuecomment-965700112
-    warnings.filterwarnings(
-        'ignore',
-        'The distutils.sysconfig module is deprecated, use sysconfig instead',
-    )
-
-
-is_pypy = '__pypy__' in sys.builtin_module_names
-if is_pypy:
-    # Workaround for pypa/setuptools#2868
-    warnings.filterwarnings(
-        'ignore',
-        'Distutils was imported before setuptools',
-    )
-    warnings.filterwarnings(
-        'ignore',
-        'Setuptools is replacing distutils',
-    )

pytest.ini

@@ -34,3 +34,15 @@ filterwarnings=
 
 	# https://github.com/pypa/setuptools/issues/2497
 	ignore:.* is an invalid version and will not be supported::pkg_resources
+
+	# https://github.com/pypa/setuptools/pull/2865#issuecomment-965700112
+	# ideally would apply to Python 3.10+ when
+	# SETUPTOOLS_USE_DISTUTILS=stdlib but for
+	# https://github.com/pytest-dev/pytest/discussions/9296
+	ignore:The distutils.sysconfig module is deprecated, use sysconfig instead
+
+	# Workaround for pypa/setuptools#2868
+	# ideally would apply to PyPy only but for
+	# https://github.com/pytest-dev/pytest/discussions/9296
+	ignore:Distutils was imported before setuptools
+	ignore:Setuptools is replacing distutils