Oh, that's the PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION=cpp thing in run-tests? I just looked for an env variable and found this, that looks very plausible. So u1-s-p needs to drop that then, or perhaps better conditionalize it on the version of protobuf that is installed?. Thanks for pointing out!
> by an environment variable
Oh, that's the PROTOCOL_ BUFFERS_ PYTHON_ IMPLEMENTATION= cpp thing in run-tests? I just looked for an env variable and found this, that looks very plausible. So u1-s-p needs to drop that then, or perhaps better conditionalize it on the version of protobuf that is installed?. Thanks for pointing out!