changed quit() to sys.exit()

project/main.py

@@ -1,3 +1,4 @@
+import sys
 from typing import Optional
 
 import pygame
@@ -138,7 +139,7 @@ class MainLoop:
             for event in pygame_events:
                 if event.type == pygame.QUIT:
                     pygame.quit()
-                    quit()
+                    sys.exit()
 
             self.screen.fill((0, 0, 0))