Flake8 cubicweb/cwctl.py * run autopep8 on the file * fixed unused imports * rename "version" import as "cw_version" in order not to shadow local variables

etc/init.d
etc/cubicweb.d
etc/bash_completion.d
usr/bin
usr/share/doc/cubicweb-ctl
var/log/cubicweb
var/lib/cubicweb/backup
var/lib/cubicweb/instances