[Python-modules-team] Bug#914993: python-keyring: autopkgtest missing test dependency on python3-all

[Paul Gevers]

Source: python-keyring
Version: 16.1.0-1
User: debian-ci at lists.debian.org
Usertags: needs-update
Control: affects -1 src:python3-defaults

[X-Debbugs-CC: debian-ci at lists.debian.org,
python3-defaults at packages.debian.org]

Dear maintainers,

With a recent upload of python3-defaults (that switched the default
python3 from 3.6 to 3.7) the autopkgtest of python-keyring fails in
testing when that autopkgtest is run with the binary packages of
python3-defaults from unstable. It passes when run with only packages
from testing. In tabular form:
                       pass            fail
python3-defaults       from testing    3.7.1-2
python-keyring         from testing    16.1.0-1
all others             from testing    from testing

I copied some of the output at the bottom of this report. The error
points at the situation where python3.6-minimal is installed, but not
python3.6. However, your autopkgtest uses $(py3versions -i) and assumes
that the unittest module is installed, while it doesn't make sure that
it is. Your autopkgtest should have a dependency on python3-all if you
want to test all installed python3 versions (py3versions tells which
python3.*-minimal versions are installed).

More information about this bug and the reason for filing it can be found on
https://wiki.debian.org/ContinuousIntegration/RegressionEmailInformation

Paul

[1] https://qa.debian.org/excuses.php?package=python3-defaults

https://ci.debian.net/data/autopkgtest/testing/amd64/p/python-keyring/1399352/log.gz

autopkgtest [05:52:44]: test secretstorage-python3: [-----------------------
+ cd /tmp/autopkgtest-lxc.b733xrs4/downtmp/autopkgtest_tmp
+ export
XDG_RUNTIME_DIR=/tmp/autopkgtest-lxc.b733xrs4/downtmp/autopkgtest_tmp
+ py3versions -i
+ dbus-run-session -- python3.6 -m unittest -v
keyring.tests.backends.test_SecretService
/usr/bin/python3.6: No module named unittest
autopkgtest [05:52:45]: test secretstorage-python3: -----------------------]

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