Update app.py

app.py

@@ -100,8 +100,8 @@ def get_p(id):
 
 def get_id_from_p2p(i):
     reverse_dict= dict(map(reversed,p2p_list.items()))
-    if id in p2p_list:
-        return reverse_dict[id]
+    if i in reverse_dict:
+        return reverse_dict[i]
     else:
         return "no id"