Update app.py

app.py

@@ -78,7 +78,7 @@ def sort_doc(in_list,steps_in=0,control=None):
             #step_cont_box.append(int(list(control_json["control"][ea_dig])[0]))
             step_cont_box.append(ea_dig)
             print(step_cont_box)
-        cnt=int(last_key[-1])+1
+        cnt=int(step_cont_box[-1])+1
     if not lod:
         print("NOT LOD")
         for ii in range(steps):