Add isort+black interopability

[awichmann-mintel]

Followed these recommendations

[charlieparkes]

in setup.cfg or .isort.cfg

[isort]
multi_line_output=3
include_trailing_comma=True
force_grid_wrap=0
use_parentheses=True
line_length=88

skip_glob = */.tox/*, */.venv/*
not_skip = __init__.py

[charlieparkes]

Trying to weigh whether we should stick with expecting the user to configure or force these settings through flags... 🤔

[awichmann-mintel]

Trying to weigh whether we should stick with expecting the user to configure or force these settings through flags...

So, it's up to the user to create an isort config? Personally, I think we should have a common config and it could live in build-harness

[charlieparkes]

https://xkcd.com/1339/

Most repos already do have an .isort.cfg. The problem with assuming

https://gitlab.com/mintel/everest/cookiecutter-python-project/-/blob/master/%7B%7Bcookiecutter.project_hyphen_name%7D%7D/.isort.cfg

[charlieparkes]

Ok, 🤔 I think we can do this as you've laid it out since we're already assuming this is true by running black immediately after.

We brainstormed a few other ideas, but I think this should work for everyone rn.