def _get_kind_name(param_type, is_list):
    """Returns the field name given parameter type and is_list.

    Args:
      param_type: Data type of the hparam.
      is_list: Whether this is a list.

    Returns:
      A string representation of the field name.

    Raises:
      ValueError: If parameter type is not recognized.
    """
    if issubclass(param_type, bool):
      # This check must happen before issubclass(param_type, six.integer_types),
      # since Python considers bool to be a subclass of int.
      typename = 'bool'
    elif issubclass(param_type, six.integer_types):
      # Setting 'int' and 'long' types to be 'int64' to ensure the type is
      # compatible with both Python2 and Python3.
      typename = 'int64'
    elif issubclass(param_type, (six.string_types, six.binary_type)):
      # Setting 'string' and 'bytes' types to be 'bytes' to ensure the type is
      # compatible with both Python2 and Python3.
      typename = 'bytes'
    elif issubclass(param_type, float):
      typename = 'float'
    else:
      raise ValueError('Unsupported parameter type: %s' % str(param_type))

    suffix = 'list' if is_list else 'value'
    return '_'.join([typename, suffix])
Returns the field name given parameter type and is_list.

    Args:
      param_type: Data type of the hparam.
      is_list: Whether this is a list.

    Returns:
      A string representation of the field name.

    Raises:
      ValueError: If parameter type is not recognized.