You have typo - __int__ instead of __init__ (you forgot second i) - and this makes all problem.

It doesn't run run pygame.init() so it can't initiate video and it can't display window - and later it generates problem with events because events can't work when window doesn't exist.

If you would use print() to see which part of code is executed then maybe you would see this.

You have a typo, __int__ instead of __init__ (you forgot the second i), which is the problem.

It doesn't run run pygame.init() so it can't initiate video and it can't display window (and later it would give a problem with events because events can't work when window doesn't exist..)

You could use print() to see which part of code is executed and possibly catch these kinds of issues.