format_measure: add check for max

Needed to handle the new humidity value (jip)

Author: bouwew

plugwise/util.py

@@ -97,8 +97,9 @@ def format_measure(measure, unit):
     try:
         measure = int(measure)
     except ValueError:
-        if unit == PERCENTAGE and float(measure) > 0:
-            return int(float(measure) * 100)
+        if unit == PERCENTAGE:
+            if 0 < float(measure) <= 1:
+                return int(float(measure) * 100)
 
         if unit == ENERGY_KILO_WATT_HOUR:
             measure = float(measure) / 1000