diff --git a/lib/background_loop.py b/lib/background_loop.py
--- a/lib/background_loop.py
+++ b/lib/background_loop.py
@@ -111,6 +111,7 @@ class Loop:
         return result
 
     def _updateFps(self, now: float):
+        # not sure i even want this- it's redundant with some metrics code
         if self.fps is None:
             return
         if now < self.lastFpsLog + 5: