@classmethod
def check_if_validation_class_exist(cls):
    """
            Check if validation class not empty for prevent runtime error
        """
    class_dict = cls.__dict__
    if not class_dict.get(cls.default_validation_class_attrib, None):
        raise AttributeError(
            f'Validation class not defined, please set validation_class attribute'
            )
    return True
