'utf-8' codec can't decode byte 0xd5 in position 0: invalid continuation byte

pip install cupy时报错：

site-packages\pip\compat\__init__.py 'utf-8' codec can't decode byte 0xd5 in position 0: invalid continuation byte

D:\ProgramData\Miniconda3\envs\python3.6\Lib\site-packages\pip\compat\__init__.py

pip install xadmin

• 若出现以下问题：UnicodeDecodeError: ‘utf-8’ codec can’t decode byte 0xd5 in position 17: invalid continuation byte 
  第一步，先把Miniconda3\envs\python3.6\Lib\site-packages\pip\compat\__init__.py”, line 73中的utf-8改为gbk，然后再执行pip install xadmin。 
  第二步，若出现

  A