pass original and override by kw

Author: ikonst

mypy/checker.py

@@ -1989,7 +1989,7 @@ def check_method_override_for_base_with_name(
                 pass
             else:
                 self.msg.signature_incompatible_with_supertype(
-                    defn.name, name, base.name, context, original_type, typ
+                    defn.name, name, base.name, context, original=original_type, override=typ
                 )
         return False
 

mypy/messages.py

@@ -1136,6 +1136,7 @@ def signature_incompatible_with_supertype(
         name_in_super: str,
         supertype: str,
         context: Context,
+        *,
         original: ProperType,
         override: ProperType,
     ) -> None: