tensorflow/models · error · SyntaxError

Please do not set eval_dataset. Progressive training relies

Error message

Please do not set eval_dataset. Progressive training relies on progressive policy to manager eval dataset.

What it means

Error "Please do not set eval_dataset. Progressive training relies on progressive policy to manager eval dataset." thrown in tensorflow/models.

Source

Thrown at official/modeling/fast_training/progressive/trainer.py:170

    """Overriding StandardTrainer.train_dataset."""
    return self._task.cur_train_dataset

  # override
  @train_dataset.setter
  def train_dataset(self, _):
    raise SyntaxError('Please do not set train_dataset. Progressive training '
                      'relies on progressive policy to manager train dataset.')

  # override
  @property
  def eval_dataset(self):
    """Overriding StandardEvaluator.eval_dataset."""
    return self._task.cur_eval_dataset

  # override
  @eval_dataset.setter
  def eval_dataset(self, _):
    raise SyntaxError('Please do not set eval_dataset. Progressive training '
                      'relies on progressive policy to manager eval dataset.')

  def train_loop_end(self):
    """See base class."""
    logs = {}
    for metric in self.train_metrics + [self.train_loss]:
      logs[metric.name] = metric.result()
      metric.reset_states()
    if callable(self.optimizer.learning_rate):
      logs['learning_rate'] = self.optimizer.learning_rate(
          self.optimizer.iterations)
    else:
      logs['learning_rate'] = self.optimizer.learning_rate

    self._maybe_export_non_progressive_checkpoint(self._export_ckpt_dir)
    if self._task.is_stage_advancing(self.global_step.numpy()):
      old_train_dataset = self.train_dataset

View on GitHub (pinned to e006f5f0d5)

When it happens

Trigger: Thrown at official/modeling/fast_training/progressive/trainer.py:170 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of tensorflow/models@e006f5f0d5 (2026-08-24). Data as JSON: /api/errors/930c5f8d6d4c14ee. Report an issue: GitHub.