Fixing imports.

Author: datumbox

test/test_ops.py

@@ -2,8 +2,6 @@
 import os
 from abc import ABC, abstractmethod
 from functools import lru_cache
-from functools import lru_cache
-from typing import Tuple
 from typing import Tuple
 
 import numpy as np

torchvision/ops/_utils.py

@@ -1,4 +1,3 @@
-from typing import List, Union
 from typing import List, Optional, Tuple, Union
 
 import torch