Ignore an '' value_template result for MQTT sensor (#79417)

Do not write state if payload is ''
2022-10-01 18:00:54 +02:00 · 2022-10-01 18:00:54 +02:00 · 9c9c8b324a
parent 31ddf6cc31
commit 9c9c8b324a
1 changed files with 2 additions and 2 deletions
--- a/homeassistant/components/mqtt/sensor.py
+++ b/homeassistant/components/mqtt/sensor.py
@ -271,8 +271,8 @@ class MqttSensor(MqttEntity, RestoreSensor):
                    )
                elif self.device_class == SensorDeviceClass.DATE:
                    payload = payload.date()
-
-            self._state = payload
+            if payload != "":
+                self._state = payload

        def _update_last_reset(msg):
            payload = self._last_reset_template(msg.payload)