Add traceback for error in #63 and only print the error one time

nodes/Thermostat.py

@@ -40,6 +40,7 @@ def __init__(self, controller, primary, address, thermostatId, name, revData, fu
         self.do_weather = None
         self.weather = None
         self.forcast = None
+        self._gcde = {}
         # We track our driver values because we need the value before it's been pushed.
         self.driver = dict()
         super(Thermostat, self).__init__(controller, primary, address, name)
@@ -269,7 +270,10 @@ def getClimateDict(self,name):
         if name == cref['climateRef']:
             LOGGER.info('{}:getClimateDict: Returning {}'.format(self.address,cref))
             return cref
-      LOGGER.error('{}:getClimateDict: Unknown climateRef name {}'.format(self.address,name))
+      # Only show the error one time.
+      if not cref in self._gcde:
+        self._gcde[cref] = True
+        LOGGER.error('{}:getClimateDict: Unknown climateRef name {} See: https://github.com/Einstein42/udi-ecobee-poly/issues/63'.format(self.address,name),exc_info=True)
       return None
 
     def getSensorAddressOld(self,sdata):