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Always alias collections.abc.Set (#6712)

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This commit is contained in:
Alex Waygood
2021-12-27 16:09:47 +00:00
committed by GitHub
parent 51a2cd1289
commit 975b3e901b
5 changed files with 14 additions and 10 deletions
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6
tests/check_new_syntax.py
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@@ -99,7 +99,11 @@ def check_new_syntax(tree: ast.AST, path: Path) -> list[str]:
def visit_ImportFrom(self, node: ast.ImportFrom) -> None:
if node.module == "collections.abc":
imported_classes = node.names
if any(cls.name == "Set" for cls in imported_classes):
if any(cls.name == "Set" and cls.asname != "AbstractSet" for cls in imported_classes):
errors.append(
f"{path}:{node.lineno}: "
f"Use `from collections.abc import Set as AbstractSet` to avoid confusion with `builtins.set`"
)
self.set_from_collections_abc = True
elif node.module == "typing_extensions":