tensorflow/models · error · SyntaxError

Please do not set train_dataset. Progressive training relies

Error message

Please do not set train_dataset. Progressive training relies on progressive policy to manager train dataset.

What it means

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

Source

Thrown at official/modeling/fast_training/progressive/trainer.py:158

  @property
  def model(self):
    return self._task.cur_model

  @property
  def optimizer(self):
    return self._task.cur_optimizer

  # override
  @property
  def train_dataset(self):
    """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]:

View on GitHub (pinned to e006f5f0d5)

When it happens

Trigger: Thrown at official/modeling/fast_training/progressive/trainer.py:158 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/0c302c19a2d4af6f. Report an issue: GitHub.