return None for NULL

FoamyGuy · FoamyGuy · commit 553d48f887fd · 2022-11-28T09:03:03.000-06:00
diff --git a/shared-module/displayio/Display.c b/shared-module/displayio/Display.c
@@ -206,6 +206,9 @@ mp_obj_t common_hal_displayio_display_get_bus(displayio_display_obj_t *self) {
 }
 
 mp_obj_t common_hal_displayio_display_get_root_group(displayio_display_obj_t *self) {
+    if (self->core.current_group == NULL) {
+        return mp_const_none;
+    }
     return self->core.current_group;
 }
 

Original file line number	Diff line number	Diff line change
`@@ -206,6 +206,9 @@ mp_obj_t common_hal_displayio_display_get_bus(displayio_display_obj_t *self) {`
`206`	`206`	`}`
`207`	`207`
`208`	`208`	`mp_obj_t common_hal_displayio_display_get_root_group(displayio_display_obj_t *self) {`
	`209`	`+ if (self->core.current_group == NULL) {`
	`210`	`+ return mp_const_none;`
	`211`	`+ }`
`209`	`212`	`return self->core.current_group;`
`210`	`213`	`}`
`211`	`214`