Update controller.py

controller.py

@@ -33,6 +33,7 @@ def handle_submission(user_message, selected_tools, url_endpoint, document, imag
     return response
 
 def handle_submission_chat(user_message, response):
+    HUGGINGFACEHUB_API_TOKEN = os.environ['HF_token']
     agent_chat_bot =get_conversation_chain()
     text = agent_chat_bot.predict(input=user_message, context=response)
     print(text)