code: def stop(self):
          '''
          stop the fuzzing session
          '''
          assert(self.model)
          assert(self.user_interface)
          assert(self.target)
          self.user_interface.stop()
          self.target.teardown()
          self.dataman.submit_task(None)
          self._un_set_signal_handler(f stop(self):
          '''
          stop the fuzzing session
          '''
          assert(self.model)
          assert(self.user_interface)
          assert(self.target)
          self.user_interface.stop()
          self.target.teardown()
          self.dataman.submit_task(None)
          self._un_set_signal_handler()
docs: stop the fuzzing session