From a2aab83b6cf65314e13841e2b92cc28c00744b8e Mon Sep 17 00:00:00 2001
From: Robert Borzutzki <robert.borzutzki@de.bosch.com>
Date: Wed, 19 Oct 2022 17:51:14 +0200
Subject: [PATCH] add fix

---
 examples/mqtt.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/examples/mqtt.py b/examples/mqtt.py
index 7a70883..b059806 100644
--- a/examples/mqtt.py
+++ b/examples/mqtt.py
@@ -117,6 +117,8 @@ def on_message(client, userdata, msg):
         line = 60
 
     print(line)
+    if value_pvProduction == "":
+        value_pvProduction = ""
     print(value_pvProduction)
     print(value_wHouseConsumption)
     print(value_energyImportExport)