Fix UNIT_SYSTEM not set necessarily since 0.94 (cytech#10)

Since ~ 0.94 some basic attributes of the Homeassistant installation can be set via GUI. Until that is applied, a unit_system does not seem to be set causing home assistant as whole to crash.
tafypz · Aug 12, 2019 · 4df537a · 4df537a
1 parent e7389e5
commit 4df537a
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/custom_components/wundergroundpws/sensor.py b/custom_components/wundergroundpws/sensor.py
@@ -44,7 +44,10 @@
 conf_file = config.get_default_config_dir() + '/configuration.yaml'
 load_config = config.load_yaml_config_file(conf_file)
 
-UNIT_SYSTEM = load_config['homeassistant']['unit_system']
+try:
+    UNIT_SYSTEM = load_config['homeassistant']['unit_system']
+except KeyError as err:
+    UNIT_SYSTEM = "metric"
 
 if UNIT_SYSTEM == 'imperial':
     TEMPUNIT = TEMP_FAHRENHEIT