View difference between Paste ID: KHQXygz4 and CUG3qnRz

 local inv = peripheral.wrap("right")
 while true do
   inv.suckSneakyDown(2, 1)
-  inv.dropUp(19, 1)
+  if not inv.dropUp(19, 1) then
-  sleep(2)
+    sleep(2)
   end
 end