pip报错

使用pip时报如下错误

Exception:
Traceback (most recent call last):
  File "E:\Anaconda3\lib\site-packages\pip\basecommand.py", line 215, in main
    status = self.run(options, args)
  File "E:\Anaconda3\lib\site-packages\pip\commands\install.py", line 335, in run
    wb.build(autobuilding=True)
  File "E:\Anaconda3\lib\site-packages\pip\wheel.py", line 749, in build
    sel

悦读

道可道，非常道；名可名，非常名。无名，天地之始，有名，万物之母。故常无欲，以观其妙，常有欲，以观其徼。此两者，同出而异名，同谓之玄，玄之又玄，众妙之门。