tensorflow/models · error · ValueError

mode is not defined.

Error message

mode is not defined.

What it means

Error "mode is not defined." thrown in tensorflow/models.

Source

Thrown at official/legacy/detection/dataloader/retinanet_parser.py:153

    self._aug_scale_min = aug_scale_min
    self._aug_scale_max = aug_scale_max

    # Data Augmentation with AutoAugment.
    self._use_autoaugment = use_autoaugment
    self._autoaugment_policy_name = autoaugment_policy_name

    # Device.
    self._use_bfloat16 = use_bfloat16

    # Data is parsed depending on the model Modekey.
    if mode == ModeKeys.TRAIN:
      self._parse_fn = self._parse_train_data
    elif mode == ModeKeys.EVAL:
      self._parse_fn = self._parse_eval_data
    elif mode == ModeKeys.PREDICT or mode == ModeKeys.PREDICT_WITH_GT:
      self._parse_fn = self._parse_predict_data
    else:
      raise ValueError('mode is not defined.')

  def __call__(self, value):
    """Parses data to an image and associated training labels.

    Args:
      value: a string tensor holding a serialized tf.Example proto.

    Returns:
      image: image tensor that is preproessed to have normalized value and
        dimension [output_size[0], output_size[1], 3]
      labels:
        cls_targets: ordered dictionary with keys
          [min_level, min_level+1, ..., max_level]. The values are tensor with
          shape [height_l, width_l, anchors_per_location]. The height_l and
          width_l represent the dimension of class logits at l-th level.
        box_targets: ordered dictionary with keys
          [min_level, min_level+1, ..., max_level]. The values are tensor with
          shape [height_l, width_l, anchors_per_location * 4]. The height_l and

View on GitHub (pinned to e006f5f0d5)

When it happens

Trigger: Thrown at official/legacy/detection/dataloader/retinanet_parser.py:153 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/e104ef5456d7ce09. Report an issue: GitHub.