#### Environment details - OS type and version: 18.04.1-Ubuntu - Python version: Python 3.6.9 - pip version: `pip --version` pip 9.0.1 - `google-api-python-client` version: `pip show google-api-python-client`: Version: 1.12.0 #### Code example googleapiclient.discovery.build() fails with message: module 'six.moves' has no attribute 'collections_abc' We only see this problem with google-api-python-client 1.12.0. 1.11.0 is fine.