Import pytorch failed

import torch
Traceback (most recent call last):
File “”, line 1, in
File “D:\Anconda_pytorch\envs\pytorch\Lib\site-packages\torch_init_.py”, line 1593, in
from torch import hub as hub
File “D:\Anconda_pytorch\envs\pytorch\Lib\site-packages\torch\hub.py”, line 13, in
import zipfile
ImportError: bad magic number in ‘zipfile’: b’a\r\r\n’

This post might be helpful explaining what the magic number is.