py38 test failed in test_hacking.HackingTestCase

[zhangqing]

Captured traceback:
~~~~~~~~~~~~~~~~~~~
Traceback (most recent call last):

File "/root/manila/.tox/py36/lib/python3.8/site-packages/ddt.py", line 151, in wrapper return func(self, *args, **kwargs)
File "/root/manila/manila/tests/test_hacking.py", line 157, test_logging_with_tuple_argument
self._assert_has_errors(code.format(log_method), checker,
File "/root/manila/manila/tests/test_hacking.py", line 131, in _assert_has_errors
self.assertEqual(expected_errors or [], actual_errors)
File "/root/manila/.tox/py36/lib/python3.8/site-packages/testtools/testcase.py", line 415, in assertEqual
self.assertThat(observed, matcher, message)
File "/root/manila/.tox/py36/lib/python3.8/site-packages/testtools/testcase.py", line 502, in assertThat
raise mismatch_error

testtools.matchers._impl.MismatchError: [(4, 21, 'M310')] != [(4, 20, 'M310')]

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.opendev.org/720162

[Vida Haririan (vhariria)]

Additional comments http://eavesdrop.openstack.org/meetings/manila/2020/manila.2020-04-16-15.00.log.html

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.opendev.org/720162
Committed: https://git.openstack.org/cgit/openstack/manila/commit/?id=879f2081c6a16e3e7dfc4abaf70d877d7c30ac19
Submitter: Zuul
Branch: master

commit 879f2081c6a16e3e7dfc4abaf70d877d7c30ac19
Author: zhangqing <email address hidden>
Date: Wed Apr 15 16:28:55 2020 +0800

    fix bug in tox py test

    when running tox py36/37/38 test, it failed with error
    MismatchError, reference in cinder [1].

    [1] https://review.opendev.org/#/c/720008/
    Closes-bug: #1872919

    Change-Id: Ib76c8df7a435ba72cd0cffd7081d455fff02be0f