Bug#973114: python-future: FTBFS: dh_auto_test: error: pybuild --test --test-pytest -i python{version} -p "3.9 3.8" returned exit code 13

[Matthias Klose]

Control: tags -1 + patch

patch at
http://launchpadlibrarian.net/506790173/python-future_0.18.2-4_0.18.2-4ubuntu1.diff.gz