'Resume processing of a paused L{CooperativeTask}.
@raise NotPaused: if this L{CooperativeTask} is not paused.'

def resume(self):

    if (self._pauseCount == 0):
        raise NotPaused()
    self._pauseCount -= 1
    if ((self._pauseCount == 0) and (self._completionState is None)):
        self._cooperator._addTask(self)
