Fix python breakage from bad export

PiperOrigin-RevId: 494305314
diff --git a/python/google/protobuf/internal/text_format_test.py b/python/google/protobuf/internal/text_format_test.py
index 556b7ec..8d15f01 100644
--- a/python/google/protobuf/internal/text_format_test.py
+++ b/python/google/protobuf/internal/text_format_test.py
@@ -41,7 +41,7 @@
 
 from google.protobuf import any_pb2
 from google.protobuf import struct_pb2
-from google3.net.proto2.proto import descriptor_pb2
+from google.protobuf import descriptor_pb2
 from google.protobuf.internal import any_test_pb2 as test_extend_any
 from google.protobuf.internal import api_implementation
 from google.protobuf.internal import message_set_extensions_pb2