Traceback (most recent call last):
  File "maccontrol.py", line 42, in <module>
  app.run()
  File "/Users/bajaj/MacControl/env/lib/python2.7/site-packages/rumps/rumps.py", line 1059, in run
    NSUserNotificationCenter.defaultUserNotificationCenter().setDelegate_(self._nsapp)
AttributeError: 'NoneType' object has no attribute 'setDelegate_'