$ nox -re docgen
nox > Running session docgen
nox > Re-using existing virtual environment at .nox/docgen.
nox > pip install flask freezegun mock oauth2client pyopenssl pytest pytest-cov pytest-localserver requests urllib3 cryptography responses grpcio
nox > pip install sphinx
nox > pip install .
nox > rm -r docs/reference
nox > Warning: rm is not installed into the virtualenv, it is located at /bin/rm. This might cause issues! Pass external=True into run() to silence this message.
nox > sphinx-apidoc --output-dir docs/reference --separate --module-first google
Creating file docs/reference/google.rst.
Creating file docs/reference/google.auth.rst.
Creating file docs/reference/google.auth.app_engine.rst.
Creating file docs/reference/google.auth.credentials.rst.
Creating file docs/reference/google.auth.environment_vars.rst.
Creating file docs/reference/google.auth.exceptions.rst.
Creating file docs/reference/google.auth.iam.rst.
Creating file docs/reference/google.auth.impersonated_credentials.rst.
Creating file docs/reference/google.auth.jwt.rst.
Creating file docs/reference/google.auth.compute_engine.rst.
Creating file docs/reference/google.auth.compute_engine.credentials.rst.
Creating file docs/reference/google.auth.crypt.rst.
Creating file docs/reference/google.auth.crypt.base.rst.
Creating file docs/reference/google.auth.crypt.es256.rst.
Creating file docs/reference/google.auth.crypt.rsa.rst.
Creating file docs/reference/google.auth.transport.rst.
Creating file docs/reference/google.auth.transport.grpc.rst.
Creating file docs/reference/google.auth.transport.mtls.rst.
Creating file docs/reference/google.auth.transport.requests.rst.
Creating file docs/reference/google.auth.transport.urllib3.rst.
Creating file docs/reference/google.oauth2.rst.
Creating file docs/reference/google.oauth2.credentials.rst.
Creating file docs/reference/google.oauth2.id_token.rst.
Creating file docs/reference/google.oauth2.service_account.rst.
Creating file docs/reference/modules.rst.
nox > Session docgen was successful.
[/home/tseaver/projects/agendaless/Google/src/google-auth] 
$ git stat
On branch master
Your branch is up to date with 'origin/master'.

Changes not staged for commit:
  (use "git add/rm <file>..." to update what will be committed)
  (use "git checkout -- <file>..." to discard changes in working directory)

	deleted:    docs/reference/google.auth.credentials_async.rst
	deleted:    docs/reference/google.auth.jwt_async.rst
	modified:   docs/reference/google.auth.rst
	deleted:    docs/reference/google.auth.transport.aiohttp_requests.rst
	modified:   docs/reference/google.auth.transport.rst
	deleted:    docs/reference/google.oauth2.credentials_async.rst
	modified:   docs/reference/google.oauth2.rst
	deleted:    docs/reference/google.oauth2.service_account_async.rst