Fix self-check

python · ilevkivskyi · Jul 4, 2019 · Mar 4, 2019 · Mar 4, 2019 · Mar 17, 2019
commit 72870a734220e34982cda1c70846aa916f287bc7
diff --git a/mypy/checkexpr.py b/mypy/checkexpr.py
@@ -662,6 +662,7 @@ def check_call_expr_with_callee_type(self,
         for example 'typing.Mapping.get'.
         """
         if callable_name is None and member is not None:
+            assert object_type is not None
             callable_name = self.method_fullname(object_type, member)
         if callable_name:
             # Try to refine the call signature using plugin hooks before checking the call.