AFAIK google-apitools is not officially supported. For Google Cloud Platform APIs such as Datastore, Cloud Storage or Pub/Sub, using Cloud Client Libraries for Python is recommended. If that not possible, we may be able to use https://github.com/google/google-api-python-client - officially supported, but now in maintenance mode.

Imported from Jira BEAM-4850. Original Jira may contain additional context.
Reported by: tvalentyn.