autopep8 -a -r -i --select E711,E712,W601,W602,W603,W604,W690,E304,E401,E502 . Also includes some manual reindentations (many are left after the print() changes). Manually checked, some modernizations not commited here.
pyflakes was complaining about a unused variable
refs #806
Remove useless trailing \ Remove trailing spaces Add missing empty lines autopep8 -ir -j2 --select=E301,E302,E502,W291,W293,W391 . Diff quickly checked.
It will provide useful functions but as it imposes on the structure of the backends, it will not be put straight into the Paste capability.
