Silent errors due to general exceptions being caught

[Joe-Heffer-Shef]

This code catches all possible exceptions. This catches configuration errors as well as invalid form entries, causing silent failures and bugs:

django-invitations/invitations/views.py

Line 48 in 378b2f5

except Exception:

Please catch specific exceptions only, see:
https://medium.com/@saadjamilakhtar/5-best-practices-for-python-exception-handling-5e54b876a20