def _build_model(self, num_features, num_actions, max_history_len):
    warnings.warn('Deprecated, use `model_architecture` instead.', DeprecationWarning, stacklevel=2)
    return
def _build_model(self, num_features, num_actions, max_history_len):
    warnings.warn('Deprecated, use `model_architecture` instead.', DeprecationWarning, stacklevel=2)
    return