[Python-modules-team] Bug#903925: jupyter-client: autopkgtest needs update for python3.7 in supported versions

[Paul Gevers]

Source: jupyter-client
Version: 5.2.3-1
User: debian-ci at lists.debian.org
Usertags: needs-update

Dear maintainers,

Currently the python3.7 transition¹ is going on, which means that
python3.7 is added to the supported python3 versions. Your package isn't
listed on the transition package, which means it isn't on the radar for
binNMU. However, since python3-defaults added python3.7 support, your
autopkgtest has been failing. I copied the error below.

Could you please investigate? I can imagine that the real issue is that
your package fails currently to work with python3.7 which is more
serious. Also, the src:cython package isn't rebuild yet, the failure
below seems to be related, but as I didn't find any of the cython
packages installed in the autopgktest, I doubt that that is causing this
issue.

Paul

¹ https://release.debian.org/transitions/html/python3.7.html

https://ci.debian.net/data/autopkgtest/testing/amd64/j/jupyter-client/614673/log.gz

autopkgtest [05:24:35]: test command2: [-----------------------
Testing with python3.7:
Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/usr/lib/python3/dist-packages/jupyter_client/__init__.py", line
4, in <module>
    from .connect import *
  File "/usr/lib/python3/dist-packages/jupyter_client/connect.py", line
23, in <module>
    import zmq
  File "/usr/lib/python3/dist-packages/zmq/__init__.py", line 47, in
<module>
    from zmq import backend
  File "/usr/lib/python3/dist-packages/zmq/backend/__init__.py", line
40, in <module>
    reraise(*exc_info)
  File "/usr/lib/python3/dist-packages/zmq/utils/sixcerpt.py", line 34,
in reraise
    raise value
  File "/usr/lib/python3/dist-packages/zmq/backend/__init__.py", line
27, in <module>
    _ns = select_backend(first)
  File "/usr/lib/python3/dist-packages/zmq/backend/select.py", line 26,
in select_backend
    mod = __import__(name, fromlist=public_api)
  File "/usr/lib/python3/dist-packages/zmq/backend/cython/__init__.py",
line 6, in <module>
    from . import (constants, error, message, context,
ImportError: cannot import name 'constants' from 'zmq.backend.cython'
(/usr/lib/python3/dist-packages/zmq/backend/cython/__init__.py)
autopkgtest [05:24:36]: test command2: -----------------------]

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