From 6f810c949b747f5647e41c5e550f75661c87ebe4 Mon Sep 17 00:00:00 2001
From: sqozz <sqozz@geekify.de>
Date: Mon, 20 Jan 2020 21:29:20 +0100
Subject: [PATCH] Fix ZeroDivisionError if plug is powered off

---
 sem6000.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/sem6000.py b/sem6000.py
index 51a0d86..df90f0a 100644
--- a/sem6000.py
+++ b/sem6000.py
@@ -208,7 +208,10 @@ class SEMSocket():
                 self.__btle_device.total_power = total_power
 
                 # calculated values
-                self.__btle_device.power_factor = power / (voltage * current)
+                try:
+                    self.__btle_device.power_factor = power / (voltage * current)
+                except ZeroDivisionError:
+                    self.__btle_device.power_factor = None
             elif message_type == 0x17:
                 if data[5] == 0x00 or data[5] == 0x01:
                     if data[4]: