NameError: name 'Matrix' is not defined

[EEEmill]

Hello,

Ive been using this video tutorial go getting started with the script but I dont get it to work.
I use the same Python version and everything.
https://www.youtube.com/watch?v=0VkM7NOZkuA

When I run the script I got this message.
"C:\Users\PC\Twitch-Channel-Points-Miner-v2>python run.py
Traceback (most recent call last):
File "C:\Users\PC\Twitch-Channel-Points-Miner-v2\run.py", line 53, in
matrix=Matrix(
NameError: name 'Matrix' is not defined"

I have not changed anything with "Matrix".

I appreciate the help! Thanks!