clean exit: q3k app

requires that wonky hack to work around issue 80 but cool for now

python_payload/apps/otamatone/__init__.py

@@ -143,7 +143,7 @@ class Otamatone(Application):
     def think(self, ins: InputState, delta_ms: int) -> None:
         super().think(ins, delta_ms)
         if self._blm is None:
-            return # weird bug, for some reason think gets called after on_exit?
+            return  # weird bug, for some reason think gets called after on_exit?
         self._ts += delta_ms
         self._blob.think(ins, delta_ms)