add formatter for unknown state

zigpy · Sep 14, 2024 · 317c775 · 317c775
1 parent 31ac99b
commit 317c775
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/zha/application/platforms/sensor/__init__.py b/zha/application/platforms/sensor/__init__.py
@@ -1127,6 +1127,12 @@ class Flow(Sensor):
  _divisor = 10
  _attr_native_unit_of_measurement = UnitOfVolumeFlowRate.CUBIC_METERS_PER_HOUR
 
+ def formatter(self, value: int) -> int | None:
+ """Handle unknown value state."""
+ if value == 0xFFFF:
+ return None
+ return super().formatter(value)
+
 
 @MULTI_MATCH(cluster_handler_names=CLUSTER_HANDLER_TEMPERATURE)
 class Temperature(Sensor):