Add randomly change the plate from full to empty

main.py

@@ -55,6 +55,7 @@ if __name__ == "__main__":
 
     plateArr = []
 
+
     def changePlate():
         if plateArr and len(plateArr) > 0:
             if randrange(30) == 17:
@@ -63,6 +64,7 @@ if __name__ == "__main__":
                     randomPlate = randrange(5) + 10
                     plate.changePlate('plate-empty.png', 'test-{}'.format(randomPlate))
 
+
     while True:
         changePlate()
 
@@ -200,7 +202,6 @@ if __name__ == "__main__":
             path = waiter.translatePath(path)
             fromBar = 0
 
-
         if path != '':
             nextStep = path[0]
             path = path[1:]