"[Errno 35] Resource temporarily unavailable" when client instantiated in a gRPC server

Thanks for your help.

Those files are those that are automatically generated by gRPC (with the command
python3 -m grpc_tools.protoc -I. --python_out=. --grpc_python_out=. ./test.proto)

I can try a new version of the weaviate database, but I have the feeling that this is linked to the python client. If I revert to an older version (4.6.5 for instance), the problem is not present.