fix Stack overflow with recursive class definitions #4193#4195
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asukaminato0721 wants to merge 1 commit into
Open
fix Stack overflow with recursive class definitions #4193#4195asukaminato0721 wants to merge 1 commit into
asukaminato0721 wants to merge 1 commit into
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According to mypy_primer, this change doesn't affect type check results on a corpus of open source code. ✅ |
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Summary
Fixes #4193
Made ABCMeta ancestry traversal cycle-aware, preventing recursive class definitions from overflowing the stack.
Test Plan
add test