autopkgtest regression in python-mpv on ppc64el

[Paride Legovini]

mpv 0.33.1-1ubuntu1 causes an autopkgtest regression in python-mpv on ppc64el [1]. The issue is manually reproducible and the failing test is test_property_observer_decorator:

$ python3 -m unittest -v -k test_property_observer_decorator tests/test_mpv.py
test_property_observer_decorator (tests.test_mpv.ObservePropertyTest) ...
$ echo $?
1

Bumping this sleep:

https://github.com/jaseg/python-mpv/blob/b5f03dd2b7d55b9a632c8771be4ae1a05c2f7fb8/tests/test_mpv.py#L294

to 0.1 makes the test pass reliably (tested with 100 runs, always passed). The other test already pass reliably.

[1] https://autopkgtest.ubuntu.com/results/autopkgtest-impish/impish/ppc64el/p/python-mpv/20210922_085944_4c3cb@/log.gz

[Paride Legovini (paride)]

I submitted an upstream PR bumping the sleep to 0.1s:

https://github.com/jaseg/python-mpv/pull/179

Let's see if it gets included quickly and in general of what upstream thinks.

[Launchpad Janitor (janitor)]

This bug was fixed in the package python-mpv - 0.5.2-1ubuntu1

---------------
python-mpv (0.5.2-1ubuntu1) impish; urgency=medium

  * New patch: d/p/test_property_observer_decorator-bump-sleep.patch
    Fixes flaky test with mpv 0.33.1 on ppc64el. (LP: #1945332)

 -- Paride Legovini <email address hidden> Wed, 29 Sep 2021 14:58:00 +0200

[Paride Legovini (paride)]

Note: upstream merged my PR, so we'll be able to cleanly drop the delta and make python-mpv a sync.