feat(setup.py): increase cubicweb max version to 3.31.x

4 jobs for !30 with topic/default/set_cubes_cw_max_version in 5 minutes and 18 seconds (queued for 9 seconds)
latest detached
Status Job ID Name Coverage
  Lint
passed check-manifest #384680

00:00:23

passed flake8 #384679

00:03:30

 
  Tests
failed py27 #384681

00:01:47

failed py3 #384682

00:01:15

 
Name Stage Failure
failed
py3 Tests
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py3-deprecated-warnings.json: found 1 matching files and directories

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id=384682 responseStatus=201 Created token=_QACPUoJ
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report.xml: found 1 matching files and directories

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id=384682 responseStatus=201 Created token=_QACPUoJ
Cleaning up file based variables
ERROR: Job failed: command terminated with exit code 1
failed
py27 Tests
E                                          ^
E SyntaxError: invalid syntax
!!!!!!!!!!!!!!!!!!! Interrupted: 3 errors during collection !!!!!!!!!!!!!!!!!!!!
=========================== 3 error in 1.11 seconds ============================
ERROR: InvocationError for command /builds/cubicweb/cubes/seda/.tox/py27/bin/python -m pytest test (exited with code 2)
___________________________________ summary ____________________________________
ERROR: py27: commands failed
Cleaning up file based variables
ERROR: Job failed: command terminated with exit code 1