Update app.py

app.py

@@ -36,7 +36,7 @@ class ChatWrapper:
 
             with open("vectorstore.pkl", "rb") as f:
                 vectorstore = pickle.load(f)
-                
+            os.environ["OPENAI_API_KEY"] = api_key   
             qa_chain = get_chain(vectorstore)
             chat_history = []
             print("Chat with your docs!")