chore(format-source): black the code

2 jobs for branch/default in 1 minute and 4 seconds (queued for 6 seconds)
Name Stage Failure
failed
py3-from-forge Tests
FAILED test/test_domains.py::AbstractDomainTC::testGetValues - NotImplemented...
FAILED test/test_domains.py::AbstractDomainTC::testRemove - NotImplementedError
FAILED test/test_domains.py::AbstractDomainTC::testSize - NotImplementedError
================= 15 failed, 156 passed, 177 warnings in 9.31s =================
ERROR: InvocationError for command /builds/open-source/logilab-constraint/.tox/py3-from-forge/bin/python -m pytest test (exited with code 1)
___________________________________ summary ____________________________________
ERROR: py3-from-forge: commands failed
Cleaning up file based variables
ERROR: Job failed: command terminated with exit code 1