I\'m using python-mode for Vim, I prefer for there to be 120 character lines rather than the stark 80 as defined in the PEP8 standard.
In python-mode, this is easy. I j
There is a file named - defaults.py inside your virtual environment folder - ......./lib/python3.6/site-packages/flake8
You can change the value of max-line-length in that file.