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Improve error messages from C
- #9784
#9784
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akx
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Improve error messages from C
#9784
akx
wants to merge 4 commits into
python-pillow:main
python-pillow/Pillow:main
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akx:wrong-mode-exc
akx/Pillow:wrong-mode-exc
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Commits on Sep 21, 2026
Add PIL._imaging.NotSupportedError
akx
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720ecb9
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Allow custom error message for ImagingError_ModeError and ImagingError_Mismatch
akx
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3754481
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Add bespoke error messages where suitable
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1892ef0
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Commits on Sep 22, 2026
Make sure image nullness checks raise ValueErrors, not ModeErrors
akx
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b2546f2
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