Aug 30, 2023 · Aug 16, 2023 · Aug 16, 2023 · Aug 16, 2023
diff --git a/mypy/messages.py b/mypy/messages.py
            code=codes.OVERRIDE,
        )

        original = get_proper_type(original)
        override = get_proper_type(override)
        if (
            isinstance(original, Instance)
            and isinstance(override, Instance)
Original file line number	Diff line number	Diff line change
Expand Up		@@ -1310,6 +1310,8 @@ def return_type_incompatible_with_supertype(
		code=codes.OVERRIDE,
		)

		original = get_proper_type(original)
		override = get_proper_type(override)
		if (
		isinstance(original, Instance)
		and isinstance(override, Instance)
Expand Down