8000 Fix types.GenericAlias lookup crash by hauntsaninja · Pull Request #17543 · python/mypy · GitHub
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Fix types.GenericAlias lookup crash #17543

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Merged
merged 2 commits into from
Jul 20, 2024
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Fix types.GenericAlias lookup crash #17543

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2ad4f48
Fix types.GenericAlias lookup crash
hauntsaninja Jul 20, 2024
9013272
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hauntsaninja Jul 20, 2024
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Fix types.GenericAlias lookup crash 
Fixes #17542
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@hauntsaninja
hauntsaninja committed Jul 20, 2024
commit 2ad4f481ad1ffaf626a435a4d1c84ab85029e773
2 changes: 1 addition & 1 deletion mypy/checkexpr.py
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Original file line number Diff line number Diff line change
Expand Up @@ -4341,7 +4341,7 @@ def visit_index_with_type(
elif isinstance(left_type, FunctionLike) and left_type.is_type_obj():
if left_type.type_object().is_enum:
return self.visit_enum_index_expr(left_type.type_object(), e.index, e)
elif left_type.type_object().type_vars:
elif left_type.type_object().type_vars and self.chk.options.python_version >= (3, 9):
return self.named_type("types.GenericAlias")
elif (
left_type.type_object().fullname == "builtins.type"
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