Update app.py

app.py

@@ -67,7 +67,7 @@ def sort_doc(in_list,steps_in=0,control=None):
 
     step_cont_box=[]
     if lod:
-        last_key=list(lod.keys())[:-1]
+        last_key=list(lod.keys())[-1]
         print(last_key)
         for ea_dig in last_key:
             print(f'{ea_dig} :: {control_json["control"][ea_dig]}')