Another small change in my puke function. It should work now

Modules/modules.lua

@@ -202,8 +202,10 @@ end
 function puke()
   for i = 1, 16 do
     turtle.select(i)
-    item = turtle.getItemDetail(slot)
-    print("Puking out: " .. item['name'])
+    item = turtle.getItemDetail()
+    if item ~= nil then
+      print("Puking out: " .. item['name'])
+    end
     turtle.drop()
   end
 end