error running summon.py

[coxchris502]

I had this error:
{
sudo python3 summon.py
Traceback (most recent call last):
File "summon.py", line 19, in
from classes.Style import Style ## Stylish
File "/opt/demon/classes/Style.py", line 7, in
from sty import fg ## colors
ModuleNotFoundError: No module named 'sty'
}