Collecting protobuf==3.1.0.post1
Downloading protobuf-3.1.0.post1-py2.py3-none-any.whl (347kB)
Saved /tmp/tmpm4f9i4y3/protobuf-3.1.0.post1-py2.py3-none-any.whl
Skipping protobuf, due to already being wheel.