Make the implementation more debuggable

Author: johnslavik

Lib/functools.py

@@ -1103,7 +1103,7 @@ def __call__(self, /, *args, **kwargs):
         if hasattr(method, "__get__"):
             method = method.__get__(self._obj, self._cls)
             if self._skip_bound_arg and isinstance(method, MethodType):
-                args = args[1:]
+                return method(*args[1:], **kwargs)
         return method(*args, **kwargs)
 
     def __getattr__(self, name):