Error while using the python backend via setting the PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION=python env var

Thanks for stopping by to let us know something could be better! **PLEASE READ**: If you have a support contract with Google, please create an issue in the [support console](https://cloud.google.com/support/) instead of filing on GitHub. This will ensure a timely response. Please run down the following list and make sure you've tried the usual "quick fixes": - Search the issues already opened: https://github.com/googleapis/python-api-common-protos/issues - Search StackOverflow: https://stackoverflow.com/questions/tagged/google-cloud-platform+python If you are still having issues, please be sure to include as much information as possible: #### Environment details - OS type and version: macos 14.3.1 - Python version: `Python 3.12.0` - pip version: `pip 23.2.1 ` - `googleapis-common-protos` version: `1.63.1` #### Steps to reproduce 1. Run `PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION=python python -c "from google.api import annotations_pb2 as google_dot_api_dot_annotations__pb2"` #### Code example ```python from google.api import annotations_pb2 as google_dot_api_dot_annotations__pb2 ``` #### Stack trace ``` ❯ PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION=python python -c "from google.api import annotations_pb2 as google_dot_api_dot_annotations__pb2" Traceback (most recent call last): File "<string>", line 1, in <module> File "/private/var/folders/p4/qvgny9x95p5_vhdc7gxh2hsc0000gn/T/tmp.PDzj6xgKa5/venv/lib/python3.12/site-packages/google/api/annotations_pb2.py", line 44, in <module> google_dot_protobuf_dot_descriptor__pb2.MethodOptions.RegisterExtension(http) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ AttributeError: type object 'MethodOptions' has no attribute 'RegisterExtension' ``` Making sure to follow these steps will guarantee the quickest resolution possible. Thanks!