Type checking error appears from nowhere ...

[henrikmidtiby]

In a lot of PR submitted after the 29th of September 2025 the mypy typecheck raises the following three errors

manim/utils/docbuild/autoaliasattr_directive.py:177: error: Argument 1 to "nested_parse" of "RSTState" has incompatible type "ViewList[str]"; expected "StringList"  [arg-type]
manim/utils/docbuild/autoaliasattr_directive.py:208: error: Argument 1 to "nested_parse" of "RSTState" has incompatible type "ViewList[str]"; expected "StringList"  [arg-type]
manim/utils/docbuild/autoaliasattr_directive.py:231: error: Argument 1 to "nested_parse" of "RSTState" has incompatible type "ViewList[str]"; expected "StringList"  [arg-type]
Found 3 errors in 1 file (checked 166 source files)

List of PR with the issue:

• Update default resolution in CLI to match Manim’s 1920x1080 default settings #4452
• Infinite stroke width array nesting fix for OpenGL VMObject #4449
• Add QuadraticFormula example to basic.py #4448
• Fix c2p misinterpretation and add comprehensive tests #4447
• Fix: the vulnerability in ZoomedScene.__init__(..) where zoomed_camera_image_mobject_config cannot be configured #4442
• Fix: Correct portrait orientation bug in manim init project --default #4440
• fix: correct Circle.point_at_angle calculation (#4236) #4438
• fix: infinite recursion caused by accessing color of a highlighted Ta… #4435
• Bump actions/setup-python from 5 to 6 #4433
• Add support for font features and variants #4431 (2025-09-29 13:37)

PR without the issue:

• Fix failing test issues in PRs #4414 and #4415 #4423 (2025-09-07 20:24)
• Fix failing pre-commit tests #4434 (2025-10-02 21:11)

[cclauss]

Follow-up is:

• [pre-commit.ci] pre-commit autoupdate #4409 (comment)

This issue was fixed in:

• Fix failing pre-commit tests #4434