From d5c61be6518bf705e5297649cdc9868fdd56b2db Mon Sep 17 00:00:00 2001
From: David Bonnes <david@bonnes.me>
Date: Wed, 4 Sep 2019 07:15:40 +0100
Subject: [PATCH] Initial commit (#26385)

---
 homeassistant/components/geniushub/sensor.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/homeassistant/components/geniushub/sensor.py b/homeassistant/components/geniushub/sensor.py
index e87a43fc1ae..82db3d4224e 100644
--- a/homeassistant/components/geniushub/sensor.py
+++ b/homeassistant/components/geniushub/sensor.py
@@ -59,7 +59,7 @@ class GeniusBattery(GeniusEntity):
 
         icon = "mdi:battery"
         if battery_level <= 95:
-            icon += "-{}".format(int(round(battery_level / 10 - 0.01)) * 10)
+            icon += f"-{int(round(battery_level / 10 - 0.01)) * 10}"
 
         return icon