A python client for etcd3 grpc-gateway v3 (https://github.com/dims/etcd3-gateway/), which is a requirement for calico networking on openstack. (https://docs.projectcalico.org/v3.2/getting-started/openstack/installation/redhat)
This is a companion discussion topic for the original entry at https://copr.fedorainfracloud.org/coprs/simonp/python-etcd3gw/