(self)
| 449 | """ |
| 450 | |
| 451 | def __init__(self): |
| 452 | self.validation_data = None |
| 453 | self.model = None |
| 454 | # Whether this Callback should only run on the chief worker in a |
| 455 | # Multi-Worker setting. |
| 456 | # TODO(omalleyt): Make this attr public once solution is stable. |
| 457 | self._chief_worker_only = None |
| 458 | |
| 459 | def set_params(self, params): |
| 460 | self.params = params |