assert not None instead of Display

Author: FoamyGuy

adafruit_displayio_layout/widgets/icon_animated.py

@@ -211,7 +211,7 @@ def zoom_animation(self, touch_point: Tuple[int, int, Optional[int]]) -> None:
             animation_palette = self.__class__.palette_buffer
 
             # For mypy, if class is configured correctly this must be true
-            assert isinstance(self.__class__.display, Display)
+            assert self.__class__.display is not None
 
             # store the current display refresh setting
             refresh_status = self.__class__.display.auto_refresh
@@ -291,7 +291,7 @@ def zoom_out_animation(self, touch_point: Tuple[int, int, Optional[int]]) -> Non
             animation_palette = self.__class__.palette_buffer
 
             # For mypy, if class is configured correctly this must be true
-            assert isinstance(self.__class__.display, Display)
+            assert self.__class__.display is not None
 
             # store the current display refresh setting
             refresh_status = self.__class__.display.auto_refresh