[Python-modules-team] Bug#829631: python-mock: Depends on funcsigs 1 but Debian only has 0.4-2

[Jeremy Bicha]

python-funcsigs has been Github-forked

from:
https://github.com/aliles/funcsigs/commits/master

to:
https://github.com/testing-cabal/funcsigs/commits/master

Thanks,
Jeremy