Update app.py

app.py

@@ -56,7 +56,7 @@ load_dotenv()
 
 # langfuse analytics
 from langfuse.callback import CallbackHandler
-from langchain.callbacks import CallbackManager, BaseCallbackHandler
+from langchain.callbacks import BaseCallbackHandler
 # Inventory API data table
 from tabulate import tabulate
 
@@ -125,7 +125,7 @@ langfuse_handler.auth_check()  # Optional: Checks if the authentication is succe
 callback_handler = ResponseHistoryCallback()
 
 
-callback_manager = CallbackManager([callback_handler, langfuse_handler])
+
 
 
 nltk.download('punkt')
@@ -724,7 +724,7 @@ def answer_question_thread(user_question, chatbot,audio=None):
     while iterations < max_iterations:
 
         #response = agent_executor.invoke({"input": user_question}, config={"callbacks": [langfuse_handler]}, early_stopping_method="generate")
-        response = agent_executor.invoke({"input": user_question}, config={"callbacks": [callback_manager]}, early_stopping_method="generate")
+        response = agent_executor.invoke({"input": user_question}, config={"callbacks": [[callback_handler, langfuse_handler]]}, early_stopping_method="generate")
         # Track the response
         agent_responses.append(response)