I've been trying to replace ALE with CoC. It didn't work. Maybe I have unusually high fixing expectations, but ALE is more capable and easier to setup. So I'll be using CoC and ALE together, which feels messy.
pip install pep8 autopep8
<leader>a- a list of all the wrong things
vif- select inside function
vam- select method
<leader>ac- see a box with options to fix imports or ignore file