[Debian-astro-maintainers] Bug#918640: gwcs: autopkgtest regression: missing versioned dependency?

[Paul Gevers]

Source: gwcs
Version: 0.10.0-1
X-Debbugs-CC: debian-ci at lists.debian.org
User: debian-ci at lists.debian.org
Usertags: regression

Dear maintainers,

With a recent upload of gwcs the autopkgtest of gwcs fails in testing
when that autopkgtest is run with the binary packages of gwcs from
unstable. It passes when run with only packages from testing. In tabular
form:
                       pass            fail
gwcs                   from testing    0.10.0-1
all others             from testing    from testing

I copied some of the output at the bottom of this report. As the test
passes in unstable, it seems to me that you are missing a versioned
dependency somewhere.

Currently this regression is contributing to the delay of the migration
to testing [1]. Can you please investigate the situation and fix it? If
needed, please change the bug's severity.

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=gwcs

https://ci.debian.net/data/autopkgtest/testing/amd64/g/gwcs/1658972/log.gz

autopkgtest [05:58:25]: test command1: [-----------------------
Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/usr/lib/python3/dist-packages/gwcs/__init__.py", line 22, in
<module>
    from .wcs import *   # noqa
  File "/usr/lib/python3/dist-packages/gwcs/wcs.py", line 8, in <module>
    from .api import GWCSAPIMixin
  File "/usr/lib/python3/dist-packages/gwcs/api.py", line 7, in <module>
    from astropy.wcs.wcsapi import BaseHighLevelWCS, BaseLowLevelWCS
ModuleNotFoundError: No module named 'astropy.wcs.wcsapi'
autopkgtest [05:58:26]: test command1: -----------------------]
autopkgtest [05:58:26]: test command1:  - - - - - - - - - - results - -
- - - - - - - -
command1             FAIL non-zero exit status 1
autopkgtest [05:58:26]: test command1:  - - - - - - - - - - stderr - - -
- - - - - - -
Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/usr/lib/python3/dist-packages/gwcs/__init__.py", line 22, in
<module>
    from .wcs import *   # noqa
  File "/usr/lib/python3/dist-packages/gwcs/wcs.py", line 8, in <module>
    from .api import GWCSAPIMixin
  File "/usr/lib/python3/dist-packages/gwcs/api.py", line 7, in <module>
    from astropy.wcs.wcsapi import BaseHighLevelWCS, BaseLowLevelWCS
ModuleNotFoundError: No module named 'astropy.wcs.wcsapi'

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