Flake 8 command

flake8

#!/home/csaez/.nvim/py2/bin/python2

# -*- coding: utf-8 -*-
import re
import sys

from flake8.main.cli import main

if __name__ == '__main__':
    sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0])
    sys.exit(main())