Update functions.py

functions.py

@@ -228,7 +228,7 @@ def embed_text(query,embedding_model,_docsearch):
     # llm = OpenAI(temperature=0)
     chat_llm = ChatOpenAI(streaming=True,
                           model_name = 'gpt-4',
-                          callback_manager=CallbackManager([StreamingStdOutCallbackHandler()]), 
+                          callbacks=[StdOutCallbackHandler()], 
                           verbose=True, 
                           temperature=0
                          )