Mini Shell

#!/usr/bin/python3.8
# -*- coding: utf-8 -*-
import re
import sys
try:
    from pip._internal.main import main
except ImportError:
    try:
        # If the user has downgraded pip, the above import will fail.
        # Let's try older methods of invoking it:

        # pip 19 uses this
        from pip._internal import main
    except ImportError:
        # older pip versions use this
        from pip import main

if __name__ == '__main__':
    sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0])
    sys.exit(main())