Easy spacing fixes, trailing stuff

Remove useless trailing \
Remove trailing spaces
Add missing empty lines

autopep8 -ir -j2 --select=E301,E302,E502,W291,W293,W391 .

Diff quickly checked.

weboob/applications/qcineoob/qcineoob.py

@@ -36,6 +36,7 @@ class QCineoob(QtApplication):
     CONFIG = {'settings': {'backend': '',
                           }
              }
+
     def main(self, argv):
         self.load_backends([ICapCinema,ICapTorrent,ICapSubtitle])
         self.load_config()