Save a backup of this flow, which can be restored by calling `Flow.revert()`.
(self, force=False)
| 208 | return False |
| 209 | |
| 210 | def backup(self, force=False): |
| 211 | """ |
| 212 | Save a backup of this flow, which can be restored by calling `Flow.revert()`. |
| 213 | """ |
| 214 | if not self._backup: |
| 215 | self._backup = self.get_state() |
| 216 | |
| 217 | def revert(self): |
| 218 | """ |