Update app.py

app.py

@@ -27,17 +27,19 @@ class ChatWrapper:
     def __call__(self, inp: str, history: Optional[Tuple[str, str]]):
         self.lock.acquire()
         api_key = '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'
-        chain = self.set_openai_api_key(api_key)
+        #chain = self.set_openai_api_key(api_key)
         try:
           
 
-
+            
 
 
             with open("vectorstore.pkl", "rb") as f:
                 vectorstore = pickle.load(f)
+                
             os.environ["OPENAI_API_KEY"] = api_key   
             qa_chain = get_chain(vectorstore)
+            
             print("Chat with your docs!")
             while True:
                 print("Human:")