Clean up code

.gitignore

@@ -1,4 +1,5 @@
 __pycache__/
 *.swp
+*.tmp
 chutney.cfg
 weather.txt

weather_display.py

@@ -7,21 +7,21 @@ class WeatherDisplay:
         self.topRow = topRow
         self.twoDigitStartColumn = 9
         self.oneDigitStartColumn = 13
+        self.digitWidth = 4
         self.currentTemperature = ''
-        self.color = colors.GREEN
+        self.color = colors.BLUE
         self.weatherFile = 'weather.txt'
 
     def showWeather(self):
         temperature = self.getTemperature()
 
         if temperature != self.currentTemperature:
+            self.currentTemperature = temperature
             self.characterDisplay.clearRow(self.topRow)
 
             if self.isTemperatureValid(temperature):
                 self.showTemperature(list(temperature))
 
-        self.currentTemperature = temperature
-
     def getTemperature(self):
         try:
             with open(self.weatherFile) as file:
@@ -50,7 +50,7 @@ class WeatherDisplay:
                     digit=c,
                     color=self.color
                 )
-                start = start + 4
+                start = start + self.digitWidth
 
     def getStartColumn(self, temperature):
         return self.oneDigitStartColumn if (self.isOneDigit(temperature)) else self.twoDigitStartColumn