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/qvideoob/main_window.py

@@ -29,6 +29,7 @@ from weboob.applications.qvideoob.ui.main_window_ui import Ui_MainWindow
 from .video import Video
 from .minivideo import MiniVideo
 
+
 class MainWindow(QtMainWindow):
     def __init__(self, config, weboob, parent=None):
         QtMainWindow.__init__(self, parent)

weboob/applications/qvideoob/minivideo.py

@@ -24,6 +24,7 @@ from weboob.tools.application.qt import QtDo
 from weboob.applications.qvideoob.ui.minivideo_ui import Ui_MiniVideo
 from .video import Video
 
+
 class MiniVideo(QFrame):
     def __init__(self, weboob, backend, video, parent=None):
         QFrame.__init__(self, parent)

weboob/applications/qvideoob/qvideoob.py

@@ -37,6 +37,7 @@ class QVideoob(QtApplication):
                            'backend': ''
                           }
              }
+
     def main(self, argv):
         self.load_backends(ICapVideo)
         self.load_config()

weboob/applications/qvideoob/video.py

@@ -24,6 +24,7 @@ from PyQt4.phonon import Phonon
 
 from weboob.applications.qvideoob.ui.video_ui import Ui_Video
 
+
 class Video(QDialog):
     def __init__(self, video, parent=None):
         QDialog.__init__(self, parent)