Problem with Python Runtime since 1.49.x, 1.50.x (protobuff 4.x) I can not generate valid code - etcd/gRPC is useless.

[ChameleonRed]

What version of protobuf and what language are you using?
Version: 1.49.x, 1.50.x
Language: Python

What operating system (Linux, Windows, ...) and version?
Windows 10

What runtime / compiler are you using (e.g., python version or gcc version)
Python 3.10

What did you do?

1. Try to generate code for https://github.com/etcd-io/etcd/blob/main/api/versionpb/version.proto
2. Try to import (should be bug).

Additional information is here but not all is need to reproduce.
This is related to 1.49.x but also problem is in 1.50.x
#10686

What did you expect to see
I want to generate valid code for etcd from protos.

What did you see instead?

Traceback (most recent call last):
  File "C:\Users\Cezary Wagner\PycharmProjects\medptr-v2\test\authentication\sync_etcd3_client_authentication_server_localhost.py", line 8, in <module>
    from authentication.grpc import authentication_pb2_grpc, authentication_pb2
  File "C:\Users\Cezary Wagner\PycharmProjects\medptr-v2\src\authentication\__init__.py", line 9, in <module>
    from authentication.etcd3_client_connector import AuthenticationEtcd3ClientConnector
  File "C:\Users\Cezary Wagner\PycharmProjects\medptr-v2\src\authentication\etcd3_client_connector.py", line 21, in <module>
    from etcd3_client.client import EtcdClient
  File "C:\Users\Cezary Wagner\PycharmProjects\medptr-v2\src\etcd3_client\client.py", line 16, in <module>
    from etcd3_client.base_client import BaseEtcdClient
  File "C:\Users\Cezary Wagner\PycharmProjects\medptr-v2\src\etcd3_client\base_client.py", line 8, in <module>
    from etcd3_grpc.grpc.etcd.api.etcdserverpb import rpc_pb2
  File "C:\Users\Cezary Wagner\PycharmProjects\medptr-v2\src\etcd3_grpc\grpc\etcd\api\etcdserverpb\rpc_pb2.py", line 17, in <module>
    from etcd.api.versionpb import version_pb2 as etcd_dot_api_dot_versionpb_dot_version__pb2
  File "C:\Users\Cezary Wagner\PycharmProjects\medptr-v2\src\etcd3_grpc\grpc\etcd\api\versionpb\version_pb2.py", line 18, in <module>
    DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(b'\n etcd/api/versionpb/version.proto\x12\tversionpb\x1a\x14gogoproto/gogo.proto\x1a google/protobuf/descriptor.proto:>\n\x10\x65tcd_version_msg\x12\x1f.google.protobuf.MessageOptions\x18\xd0\x86\x03 \x01(\t\x88\x01\x01:>\n\x12\x65tcd_version_field\x12\x1d.google.protobuf.FieldOptions\x18\xd1\x86\x03 \x01(\t\x88\x01\x01:<\n\x11\x65tcd_version_enum\x12\x1c.google.protobuf.EnumOptions\x18\xd2\x86\x03 \x01(\t\x88\x01\x01:G\n\x17\x65tcd_version_enum_value\x12!.google.protobuf.EnumValueOptions\x18\xd3\x86\x03 \x01(\t\x88\x01\x01\x42\x08\xc8\xe2\x1e\x01\xd0\xe2\x1e\x01\x62\x06proto3')
TypeError: Couldn't build proto file into descriptor pool: field with proto3_optional was not in a oneof (versionpb.etcd_version_msg)

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Anything else we should know about your project / environment

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