Source release 16.4.0

third_party/protobuf/conformance/conformance_python.py

@@ -1,5 +1,4 @@
 #!/usr/bin/env python
-#
 # Protocol Buffers - Google's data interchange format
 # Copyright 2008 Google Inc.  All rights reserved.
 # https://developers.google.com/protocol-buffers/
@@ -38,8 +37,6 @@ See conformance.proto for more information.
 import struct
 import sys
 import os
-from google.protobuf import descriptor
-from google.protobuf import descriptor_pool
 from google.protobuf import json_format
 from google.protobuf import message
 from google.protobuf import test_messages_proto3_pb2