Add get_proper_type

brianschubert · brianschubert · commit e31a00cd4da9 · 2025-04-05T16:18:20.000-04:00
diff --git a/mypy/typeanal.py b/mypy/typeanal.py
@@ -819,7 +819,7 @@ def try_analyze_special_unbound_type(self, t: UnboundType, fullname: str) -> Typ
                 )
                 return AnyType(TypeOfAny.from_error)
             item = t.args[0]
-            if not isinstance(item, TypedDictType):
+            if not isinstance(get_proper_type(item), TypedDictType):
                 self.fail(
                     "Argument to TypedDict[] must be a literal dictionary mapping item names to types",
                     t,

Original file line number	Diff line number	Diff line change
`@@ -819,7 +819,7 @@ def try_analyze_special_unbound_type(self, t: UnboundType, fullname: str) -> Typ`
`819`	`819`	`)`
`820`	`820`	`return AnyType(TypeOfAny.from_error)`
`821`	`821`	`item = t.args[0]`
`822`		`- if not isinstance(item, TypedDictType):`
	`822`	`+ if not isinstance(get_proper_type(item), TypedDictType):`
`823`	`823`	`self.fail(`
`824`	`824`	`"Argument to TypedDict[] must be a literal dictionary mapping item names to types",`
`825`	`825`	`t,`