.

Author: hauntsaninja

mypy/plugins/functools.py

@@ -125,7 +125,7 @@ def partial_new_callback(ctx: mypy.plugin.FunctionContext) -> Type:
     if len(ctx.arg_types[0]) != 1:
         return ctx.default_return_type
 
-    if isinstance(ctx.arg_types[0][0], Overloaded):
+    if isinstance(get_proper_type(ctx.arg_types[0][0]), Overloaded):
         # TODO: handle overloads, just fall back to whatever the non-plugin code does
         return ctx.default_return_type
     fn_type = ctx.api.extract_callable_type(ctx.arg_types[0][0], ctx=ctx.default_return_type)