Chandan Singh authored Feb 19, 2019 and Chandan Singh committed Feb 18, 2019

Since `CalledProcessError` is defined by the `subprocess` module, it
must be caught as `subprocess.CalledProcessError`, and not as simply
`CalledProcessError`.

doc/badges.py: Fix catching of CalledProcessError

See merge request !1160

Chandan Singh authored Feb 19, 2019 and Jürg Billeter committed Feb 19, 2019

Instead of importing `Mapping` from `collections`, it must be imported
from `collections.abc`, as the old method will stop working from Python
3.8.