code: def __init__(self):
      BaseApplicationBackend.__init__(self)
  
imports: from __future__ import division
  from ..base import BaseApplicationBackend, BaseCanvasBackend, BaseTimerBackend
  from ...util import keys
  from ...None import config
label_desc: Use image node_id 1 to create a new ApplicationBackend object from inherited base classes: BaseApplicationBackend with example: obj = ApplicationBackend()