tensorflow/models · error · ValueError

Invalid metric_type: {}

Error message

Invalid metric_type: {}

What it means

Error "Invalid metric_type: {}" thrown in tensorflow/models.

Source

Thrown at official/projects/fffner/fffner_prediction.py:74

  metric_type: str = 'accuracy'
  # Defines the concrete model config at instantiation time.
  model: FFFNerModelConfig = dataclasses.field(
      default_factory=FFFNerModelConfig
  )
  train_data: cfg.DataConfig = dataclasses.field(default_factory=cfg.DataConfig)
  validation_data: cfg.DataConfig = dataclasses.field(
      default_factory=cfg.DataConfig
  )


@task_factory.register_task_cls(FFFNerPredictionConfig)
class FFFNerTask(base_task.Task):
  """Task object for FFFNer."""

  def __init__(self, params: cfg.TaskConfig, logging_dir=None, name=None):
    super().__init__(params, logging_dir, name=name)
    if params.metric_type not in METRIC_TYPES:
      raise ValueError('Invalid metric_type: {}'.format(params.metric_type))
    self.metric_type = params.metric_type
    self.label_field_is_entity = 'is_entity_label'
    self.label_field_entity_type = 'entity_type_label'

  def build_model(self):
    if self.task_config.hub_module_url and self.task_config.init_checkpoint:
      raise ValueError('At most one of `hub_module_url` and '
                       '`init_checkpoint` can be specified.')
    if self.task_config.hub_module_url:
      encoder_network = utils.get_encoder_from_hub(
          self.task_config.hub_module_url)
    else:
      encoder_network = encoders.build_encoder(self.task_config.model.encoder)
    encoder_cfg = self.task_config.model.encoder.get()
    if self.task_config.model.encoder.type == 'xlnet':
      assert False, 'Not supported yet'
    else:
      return fffner_classifier.FFFNerClassifier(

View on GitHub (pinned to e006f5f0d5)

When it happens

Trigger: Thrown at official/projects/fffner/fffner_prediction.py:74 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/610f430bc0199f06. Report an issue: GitHub.