tensorflow/models · error · ValueError

sequence_length must be specified for BigBird.

Error message

sequence_length must be specified for BigBird.

What it means

Error "sequence_length must be specified for BigBird." thrown in tensorflow/models.

Source

Thrown at official/projects/triviaqa/dataset.py:151

    self.sequence_length = sequence_length
    self.stride = stride
    if global_sequence_length is None and sequence_length is not None:
      self.global_sequence_length = sequence_length // 16 + 64
    else:
      self.global_sequence_length = global_sequence_length
    logging.info(
        """
        global_sequence_length: %s
        sequence_length: %s
        stride: %s
        sentencepiece_model_path: %s""",
        self.global_sequence_length, self.sequence_length,
        self.stride, self.sentencepiece_model_path)

  def validate(self):
    """Validates that user specifies valid arguments."""
    if self.sequence_length is None:
      raise ValueError("sequence_length must be specified for BigBird.")
    if self.stride is None:
      raise ValueError("stride must be specified for BigBird.")
    if self.sentencepiece_model_path is None:
      raise ValueError(
          "sentencepiece_model_path must be specified for BigBird.")


def filter_files_for_big_bird(files):
  filtered_files = [f for f in files if os.path.basename(f).startswith("wiki")]
  assert len(filtered_files) == 1, "There should only be one wikipedia file."
  return filtered_files


class TriviaQA(tfds.core.BeamBasedBuilder):
  """TriviaQA is a reading comprehension dataset.

  It containss over 650K question-answer-evidence triples.
  """

View on GitHub (pinned to e006f5f0d5)

When it happens

Trigger: Thrown at official/projects/triviaqa/dataset.py:151 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/3d9ff1df4ab3467e. Report an issue: GitHub.