Fix detection of (nested) placeholder types

python · Nov 25, 2024 · 8cc1aee · 8cc1aee
1 parent 8068f13
commit 8cc1aee
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/mypy/semanal.py b/mypy/semanal.py
@@ -5046,8 +5046,7 @@ def analyze_value_types(self, items: list[Expression]) -> list[Type]:
                     analyzed = PlaceholderType(None, [], node.line)
 
                 # has_no_typevars does not work with PlaceholderType.
-                typ = get_proper_type(analyzed)
-                if not isinstance(typ, PlaceholderType) and not has_no_typevars(typ):
+                if not has_placeholder(analyzed) and not has_no_typevars(analyzed):
                     self.fail(
                         "TypeVar constraint type cannot be parametrized by type variables", node
                     )