Merge remote-tracking branch 'remotes/jsnow-gitlab/tags/python-pull-request' into...

Merge remote-tracking branch 'remotes/jsnow-gitlab/tags/python-pull-request' into staging

Python Pull request

This fixes the check-python-tox job.

CI including optional jobs is all green:
https://gitlab.com/jsnow/qemu/-/pipelines/372151147

# gpg: Signature made Thu 16 Sep 2021 23:05:35 BST
# gpg:                using RSA key F9B7ABDBBCACDF95BE76CBD07DEF8106AAFC390E
# gpg: Good signature from "John Snow (John Huston) <jsnow@redhat.com>" [full]
# Primary key fingerprint: FAEB 9711 A12C F475 812F  18F2 88A9 064D 1835 61EB
#      Subkey fingerprint: F9B7 ABDB BCAC DF95 BE76  CBD0 7DEF 8106 AAFC 390E

* remotes/jsnow-gitlab/tags/python-pull-request:
  python: pylint 2.11 support
  python: Update for pylint 2.10

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>