pip 错误

错误提示

Traceback (most recent call last):
File “/usr/bin/pip3”, line 9, in
from pip import main

解决方法
修改 /usr/bin/pip 文件

from pip import main
if __name__ == '__main__':
    sys.exit(main())

改为

from pip import __main__
if __name__ == '__main__':
    sys.exit(__main__._main())