Collecting graphql-core==2.0.dev20170801041408 Downloading graphql_core-2.0.dev20170801041408-py2.py3-none-any.whl (197kB) Saved /tmp/tmpq3kc71mt/graphql_core-2.0.dev20170801041408-py2.py3-none-any.whl Skipping graphql-core, due to already being wheel.