Ceph

ERROR: sphinx-autodoc-typehints 1.17.0 has requirement Sphinx>=4, but you'll have sphinx 3.5.4 which is incompatible.
Running Sphinx v3.5.4
WARNING: while setting up extension breathe: node class 'graphviz' is already registered, its visitors will be overridden

Extension error:
Config value 'graphviz_dot' already present

and then after merging https://github.com/ceph/ceph/pull/45018,

Traceback (most recent call last):
  File "/home/jenkins-build/build/workspace/ceph-pr-docs/venv/lib/python3.8/site-packages/jwt/api_jws.py", line 112, in encode
    alg_obj = self._algorithms[algorithm]
KeyError: 'RS256'

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/home/jenkins-build/build/workspace/ceph-pr-docs/venv/bin/github-check", line 181, in <module>
    main()
  File "/home/jenkins-build/build/workspace/ceph-pr-docs/venv/bin/github-check", line 148, in main
    check = Check(args.owner, args.repo, args.name,
  File "/home/jenkins-build/build/workspace/ceph-pr-docs/venv/lib/python3.8/site-packages/githubcheck/check.py", line 36, in __init__
    self.github.login_as_app_installation(pem, app_id, install_id)
  File "/home/jenkins-build/build/workspace/ceph-pr-docs/venv/lib/python3.8/site-packages/github3/github.py", line 1475, in login_as_app_installation
    jwt_token = apps.create_token(
  File "/home/jenkins-build/build/workspace/ceph-pr-docs/venv/lib/python3.8/site-packages/github3/apps.py", line 175, in create_token
    token = jwt.encode(
  File "/home/jenkins-build/build/workspace/ceph-pr-docs/venv/lib/python3.8/site-packages/jwt/api_jwt.py", line 63, in encode
    return api_jws.encode(json_payload, key, algorithm, headers, json_encoder)
  File "/home/jenkins-build/build/workspace/ceph-pr-docs/venv/lib/python3.8/site-packages/jwt/api_jws.py", line 118, in encode
    raise NotImplementedError(
NotImplementedError: Algorithm 'RS256' could not be found. Do you have cryptography installed?