Swap dictionary key-value pair

app.py

@@ -29,7 +29,8 @@ tokenizer = None
 pres_dict = {}
 
 with open('pres_dict.pkl', 'rb') as file:
-    pres_dict = pickle.load(file)
+    reversed_dict = pickle.load(file)
+    pres_dict = {value: key for key, value in reversed_dict.items()}
 
 def initialize():
     global model, tokenizer