tensorflow/models · error · ValueError

Unexpected inputs to %s with length at %d.

Error message

Unexpected inputs to %s with length at %d.

What it means

Error "Unexpected inputs to %s with length at %d." thrown in tensorflow/models.

Source

Thrown at official/nlp/modeling/networks/funnel_transformer.py:470

        input_mask=tf_keras.Input(shape=(None,), dtype=tf.int32),
        input_type_ids=tf_keras.Input(shape=(None,), dtype=tf.int32))

  def call(self, inputs, output_range: Optional[tf.Tensor] = None):
    # inputs are [word_ids, mask, type_ids]
    word_embeddings = None
    if isinstance(inputs, (list, tuple)):
      logging.warning('List inputs to  %s are discouraged.', self.__class__)
      if len(inputs) == 3:
        word_ids, mask, type_ids = inputs
        dense_inputs = None
        dense_mask = None
        dense_type_ids = None
      elif len(inputs) == 6:
        word_ids, mask, type_ids, dense_inputs, dense_mask, dense_type_ids = (
            inputs
        )
      else:
        raise ValueError(
            'Unexpected inputs to %s with length at %d.'
            % (self.__class__, len(inputs))
        )
    elif isinstance(inputs, dict):
      word_ids = inputs.get('input_word_ids')
      mask = inputs.get('input_mask')
      type_ids = inputs.get('input_type_ids')
      word_embeddings = inputs.get('input_word_embeddings', None)

      dense_inputs = inputs.get('dense_inputs', None)
      dense_mask = inputs.get('dense_mask', None)
      dense_type_ids = inputs.get('dense_type_ids', None)
    else:
      raise ValueError('Unexpected inputs type to %s.' % self.__class__)

    if word_embeddings is None:
      word_embeddings = self._embedding_layer(word_ids)

View on GitHub (pinned to e006f5f0d5)

When it happens

Trigger: Thrown at official/nlp/modeling/networks/funnel_transformer.py:470 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/ff90976e0f10f46d. Report an issue: GitHub.