From 6f8ba7ee2f7240c7b4a76e424f116005cd55595b Mon Sep 17 00:00:00 2001
From: eyager1 <44526531+eyager1@users.noreply.github.com>
Date: Mon, 30 May 2022 18:32:52 -0400
Subject: [PATCH] Add empty string to list of invalid states (#72590)

Add null state to list of invalid states
---
 homeassistant/components/statistics/sensor.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/homeassistant/components/statistics/sensor.py b/homeassistant/components/statistics/sensor.py
index ac62b63e8ca..3f33fa015b9 100644
--- a/homeassistant/components/statistics/sensor.py
+++ b/homeassistant/components/statistics/sensor.py
@@ -350,7 +350,7 @@ class StatisticsSensor(SensorEntity):
         if new_state.state == STATE_UNAVAILABLE:
             self.attributes[STAT_SOURCE_VALUE_VALID] = None
             return
-        if new_state.state in (STATE_UNKNOWN, None):
+        if new_state.state in (STATE_UNKNOWN, None, ""):
             self.attributes[STAT_SOURCE_VALUE_VALID] = False
             return