code: def connect(self, name, func, sender=None, dispatch_uid=None):
          
          try:
              signal = self._registry[name]
          except KeyError:
              signal = self.register(name)
  
          signal.connect(func, sender=sender, dispatch_uid=dispatch_uid)
docs: Connects a function to a hook.\
          Creates the hook (name) if it does not exists
  
          :param str name: The hook name
          :param callable func: A function reference used as a callback
          :param class sender: Optional sender __class__ to which the\
          func should respond. Default will match all
          :param str dispatch_uid: Optional unique id,\
          see :py:class:`django.dispatch.Signal` for more info