raise exception while parse incoming message

Author: rekby

ydb/_grpc/grpcwrapper/ydb_topic.py

@@ -10,6 +10,7 @@
 
 from . import ydb_topic_public_types
 from ... import scheme
+from ... import issues
 
 # Workaround for good IDE and universal for runtime
 if typing.TYPE_CHECKING:
@@ -739,6 +740,10 @@ def from_proto(
                         msg.partition_session_status_response
                     ),
                 )
+            else:
+                raise issues.UnexpectedGrpcMessage(
+                    "Unexpected message while parse ReaderMessagesFromServerToClient: '%s'" % mess_type
+                )
 
 
 ReaderMessagesFromClientToServer = Union[