place persistent variables outside of while loop

leds.py

@@ -271,12 +271,12 @@ def querycolor():
 
 def loop():
     lcd = Adafruit_CharLCD()
-    while True:
     level = 0
     level_max = 15
     idle = 0
     idle_max = 15
     cur_color = "ffffff"
+    while True:
         debug("loop")
         query_color = querycolor()
         query_level = querylightlevel()