MAINT: Add type annotations

.github/workflows/github-ci.yaml

@@ -54,7 +54,7 @@ jobs:
       if: matrix.python-version == '3.10.1'
     - name: Test with mypy
       run : |
-        mypy PyPDF2 --show-error-codes
+        mypy PyPDF2 --show-error-codes --disallow-untyped-defs --disallow-incomplete-defs
     - name: Upload coverage data
       uses: actions/upload-artifact@v3
       with:

CHANGELOG

@@ -5,8 +5,10 @@ Deprecations (DEP):
 - PyPDF2 2.0 requires Python 3.6+. Python 2.7 and 3.5 support were dropped.
 - PdfFileReader and PdfFileMerger no longer have the `overwriteWarnings`
   parameter. The new behavior is `overwriteWarnings=False`.
+- PdfFileReader: The "warndest" parameter was removed
 - merger: OutlinesObject was removed.
 - utils:
+  * `ConvertFunctionsToVirtualList` was removed
   * `formatWarning` was removed
   * `isInt(obj)`: Use `instance(obj, int)` instead
   * `u_(s)`: Use `s` directly

Makefile

@@ -19,6 +19,9 @@ clean:
 test:
 	pytest tests --cov --cov-report term-missing -vv --cov-report html --durations=3 --timeout=30
 
+testtype:
+	pytest tests --cov --cov-report term-missing -vv --cov-report html --durations=3 --timeout=30 --typeguard-packages=PyPDF2
+
 mutation-test:
 	mutmut run