T-T+X_instruction_dataset.py code question

[wsg1873]

in the line 28 of T-T+X_instruction_dataset.py. The dataset would read the image_t2x.json, But there are no the key "mm_name". Do you forget to add the "mm_name" key ? Can you solve the problems, thank you very much!
with open(data_path, 'r', encoding='utf-8') as f:
res = json.load(f)
for instance in tqdm(res, total=len(res)):
self.instruction_list.append(instance['conversation'])
self.mm_path_list.append(instance['mm_name'])
self.dataset_type_list = [dataset_type for _ in range(len(self.instruction_list))]