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Author: A5rocks

mypy/types.py

@@ -4040,7 +4040,7 @@ def visit_type_alias_type(self, t: TypeAliasType, /) -> list[mypy.nodes.TypeAlia
         return res
 
 
-def is_named_instance(t: Type, fullnames: str | Sequence[str, ...]) -> TypeGuard[Instance]:
+def is_named_instance(t: Type, fullnames: str | Iterable[str]) -> TypeGuard[Instance]:
     if isinstance(fullnames, str):
         fullnames = (fullnames,)