Added round to battery precentage (home-assistant#2309)

ludeeus · fabaff · commit 48084ee55e8b · 2017-03-20T20:09:34.000+01:00
Sometimes the battery will be show as a long string like: 28.99999999996%..
By adding "|round" this will be shown as 29%
diff --git a/source/_cookbook/track_battery_level.markdown b/source/_cookbook/track_battery_level.markdown
@@ -22,7 +22,7 @@ sensor:
         unit_of_measurement: '%'
         value_template: >-
             {% raw %}{%- if states.device_tracker.iphone.attributes.battery %}
-                {{ states.device_tracker.iphone.attributes.battery }}
+                {{ states.device_tracker.iphone.attributes.battery|round }}
             {% else %}
                 {{ states.sensor.battery_iphone.state }}
             {%- endif %}{% endraw %}
