Update app.py

app.py

@@ -10,10 +10,9 @@ def sort_doc(in_list,steps_in=8,control=None):
 ######################################    
     key_cnt=len(sen_list)
     print(key_cnt)
-    
+    control_char=list(control_json['control'])
+    char_len=len(control_char)    
     if not steps_in:
-        control_char=list(control_json['control'])
-        char_len=len(control_char)
         n_cnt=0
         nx=key_cnt
         while True: