ERROR: Could not find a version that satisfies the requirement sys (from versions: none)

`sys` is a built-in module in Python and does not require installation through pip or any other package manager. You can simply import it in your code using the following statement:

import sys

If you are getting this error while running a script, it may be due to a typo or some other error in your code. Please check your code for any syntax errors or typos.