generated client code attempts to use a copy constructor

I have a generated services/forrest/pagers.py

It's generating the following:

self._request = forrest_pb2.ListRunsRequest(request)

There doesn't appear to be a copy constructor in my protobuf version. Not sure when that was added. Manually modifying the code to

self._request = forrest_pb2.ListRunsRequest()
self._request.CopyFrom(request)

works correctly.

forrest_pb2.ListRunsRequest() is a python protobuf that is in a different package then the service.proto I generated using gapic. I think the pagers.py is assuming the ListRunsRequest message is a proto-plus message.

Environment details

• OS type and version: gLinux
• protoc version: libprotoc 32.1
• Python version: 3.11.9
• gapic-generator version: 1.30.2
• python protobuf package: 6.32.1