no module named gtk error

[gsr8040]

Hlo bro I'm trying to do this in windows when i try to run the main program its showing the error that "no module named gtk" even i installed gtk i'm getting this error.I'm using python 3.7
Please suggest a solution for this.

[TanmayAmbadkar]

This is a python 2 code, and for GTK look for how use GTK from gi.repository