将原来的:
from pip import main
if __name__ == '__main__':
sys.exit(main())
改为:
from pip import __main__
if __name__ == '__main__':
sys.exit(__main__._main())
将原来的:
from pip import main
if __name__ == '__main__':
sys.exit(main())
改为:
from pip import __main__
if __name__ == '__main__':
sys.exit(__main__._main())