Fixed magic8.py file by importing the proper required library

[richtig]

This pull request imports the random library in magic8.py. Once merged, this resolves #1.

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.
_{You have signed the CLA already but the status is still pending? Let us recheck it.}