(unsure whether it can be applied to the command line though～
possibly: cookiecutter --no-input --config-file PATH $cctemplate )
AttributeError: 'StrictEnvironment' object has no attribute 'decode'python 3.7
I think that going for slack is the worst possible move due to its closed/proprietary nature with serious history limitations and more important is silozed.
I agree with @ssbarnea. It's convenient if you love the Slack app on your mobile phone ("all my Slack chats in one place"), but the silozed nature is a major downside.