try/except for pygame.SCALED which isn't in pygame 1.9.6

pgfw/Display.py

@@ -11,6 +11,7 @@ class Display(GameChild):
 
     def __init__(self, game):
         GameChild.__init__(self, game)
+        print(f"available fullscreen modes: {pygame.display.list_modes()}")
         self.delegate = self.get_delegate()
         self.load_configuration()
         self.align_window()
@@ -40,7 +41,10 @@ class Display(GameChild):
 
         # Added pygame.SCALED to avoid fullscreen bug
         # <https://www.pygame.org/docs/ref/display.html#pygame.display.toggle_fullscreen>
-        self.set_screen(pygame.SCALED, fs=full)
+        try:
+            self.set_screen(pygame.SCALED, fs=full)
+        except AttributeError:
+            self.set_screen(fs=full)
 
     def fullscreen_requested(self):
         return not self.check_command_line(self.windowed_flag) and self.fullscreen_enabled