code: def unbind(self, func, etype):
          '''
          Wraps around container.unbind().
          '''
          wrapped = self.event_cbs[func]
          self.container.unbind(self, wrapped, etypef unbind(self, func, etype):
          '''
          Wraps around container.unbind().
          '''
          wrapped = self.event_cbs[func]
          self.container.unbind(self, wrapped, etype)
docs: Wraps around container.unbind().