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Fix crash on TypeGuard in __call__#16516
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Diff frommypy_primer, showing the effect of this PR on open source code: discord.py (https://github.com/Rapptz/discord.py): typechecking got 1.08x faster (190.2s -> 176.1s)(Performance measurements are based on a single noisy sample) |
JukkaL approved these changesNov 22, 2023
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Fixes#16187
Note there may be some more similar crashes, I don't handle them all properly, for now I leave a TODO and replace the
assertwithif, so at least we should not crash on an unhandled case.