tensorflow/models · error · ValueError

Unknown input type to parse.

Error message

Unknown input type to parse.

What it means

Error "Unknown input type to parse." thrown in tensorflow/models.

Source

Thrown at official/modeling/hyperparams/params_dict.py:500

  """
  if not dict_or_string_or_yaml_file:
    return params
  if isinstance(dict_or_string_or_yaml_file, dict):
    params.override(dict_or_string_or_yaml_file, is_strict)
  elif isinstance(dict_or_string_or_yaml_file, six.string_types):
    try:
      dict_or_string_or_yaml_file = (
          nested_csv_str_to_json_str(dict_or_string_or_yaml_file))
    except ValueError:
      pass
    params_dict = yaml.load(dict_or_string_or_yaml_file, Loader=_LOADER)
    if isinstance(params_dict, dict):
      params.override(params_dict, is_strict)
    else:
      with tf.io.gfile.GFile(dict_or_string_or_yaml_file) as f:
        params.override(yaml.load(f, Loader=_LOADER), is_strict)
  else:
    raise ValueError('Unknown input type to parse.')
  return params

View on GitHub (pinned to e006f5f0d5)

When it happens

Trigger: Thrown at official/modeling/hyperparams/params_dict.py:500 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/9ca3119eda7e74b2. Report an issue: GitHub.