[deps] goodbye python 3.9 (#9677)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: hiyouga <16256802+hiyouga@users.noreply.github.com>
Co-authored-by: hiyouga <hiyouga@buaa.edu.cn>

src/llamafactory/v1/accelerator/helper.py

@@ -25,10 +25,11 @@ Including:
 """
 
 import os
+from collections.abc import Callable
 from contextlib import contextmanager
 from enum import Enum, unique
 from functools import lru_cache, wraps
-from typing import Callable, Optional
+from typing import Optional
 
 import numpy as np
 import torch