CI: isort fixup on 1.1.x
isort-5.6.1
i'll reopen this after some other backports and include black fixups for older black version Hello @simonjayhawkins! Thanks for updating this PR. We checked the lines you've touched for [PEP 8](https://www.python.org/dev/peps/pep-0008) issues, and found:



There are currently no PEP 8 issues detected in this Pull Request. Cheers! :beers: 

##### Comment last updated at 2020-10-09 13:23:34 UTC