Go to https://pypi.python.org/pypi/google-cloud-pubsub and click on the "Pub/Sub API docs" links. It points at https://cloud.google.com/pubsub/reference/rest/, which returns a 404. A similar issue might exist for other APIs.
Go to https://pypi.python.org/pypi/google-cloud-pubsub and click on the "Pub/Sub API docs" links. It points at https://cloud.google.com/pubsub/reference/rest/, which returns a 404.
A similar issue might exist for other APIs.