code: def disconnect(self, receiver):
          
          if receiver not in self.receivers.keys():
              raise Exception("No receiver %s was registered" % receiver)
          self.receivers[receiver].disconnect()
          del(self.receivers[receiver])
          self.__log.debug("Receiver %s disconnected" % receiver)
docs: Disconnect a receiver from a signal.
          Signal and receiver must exist, otherwise an exception is thrown.
  
          :param receiver: Name of the receiver