[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

deepmd/pt/train/training.py

@@ -8,7 +8,10 @@
 from pathlib import (
     Path,
 )
-from typing import Any, Iterable
+from typing import (
+    Any,
+)
+from collections.abc import Iterable
 
 import numpy as np
 import torch

deepmd/pt/utils/dataloader.py

@@ -1,16 +1,9 @@
 # SPDX-License-Identifier: LGPL-3.0-or-later
 import logging
 import os
-import time
 from multiprocessing.dummy import (
     Pool,
 )
-from queue import (
-    Queue,
-)
-from threading import (
-    Thread,
-)
 
 import h5py
 import numpy as np