def test_peft_add_adapter_from_pretrained(self):
        """
        Simple test that tests if `add_adapter` works as expected
        """
        from peft import LoraConfig

        for model_id in self.transformers_test_model_ids:
            for transformers_class in self.transformers_test_model_classes:
                model = transformers_class.from_pretrained(model_id).to(torch_device)

                peft_config = LoraConfig(init_lora_weights=False)

                model.add_adapter(peft_config)

                self.assertTrue(self._check_lora_correctly_converted(model))
                with tempfile.TemporaryDirectory() as tmpdirname:
                    model.save_pretrained(tmpdirname)
                    model_from_pretrained = transformers_class.from_pretrained(tmpdirname).to(torch_device)
                    self.assertTrue(self._check_lora_correctly_converted(model_from_pretrained))

        Simple test that tests if `add_adapter` works as expected
        
dpkd/transformers/tests/peft_integration/test_peft_integration.py