Update app.py

app.py

@@ -155,7 +155,7 @@ def generate_answer(question, openAI_key, model):
     return answer
 
 
-def question_answer(chat_history, url, file, question, openAI_key, model):
+def question_answer(chat_history, url, file, question, model):
     try:
         if openAI_key.strip()=='':
             return '[ERROR]: Please enter your Open AI Key. Get your key here : https://platform.openai.com/account/api-keys'