I can't fiqure out why my price wont update when I move the slider.

788fd582 · Dawson Jeffrey Miller · 6aef3872 · 788fd582
Commit 788fd582 authored Jan 27, 2017 by Dawson Jeffrey Miller
--- a/order.kv
+++ b/order.kv
@@ -12,7 +12,7 @@ BoxLayout:
            id: patty_slider
            max: 100
            min:0
-            value:0
+            value: 0
        Label:
            text: '2 Patties'
            font_size: '32sp'