Update app.py

app.py

@@ -7,7 +7,7 @@ openai.api_key = os.getenv('OpenAPI')
 
 chat_history = ""
 
-def call_openai_api(user_prompt, stream='true'):
+def call_openai_api(user_prompt):
     global chat_history 
 
     text = """
@@ -39,7 +39,8 @@ def call_openai_api(user_prompt, stream='true'):
                 messages=[
                     {"role": "system", "content": "You are a research assistant. Provide factual short answers to your prompts."},
                     {"role": "user", "content": f"{text}\n\n{user_prompt}"},
-                ]
+                ],
+                stream=true
            )
             ai_response = response.choices[0].message['content']
             chat_history += f"\nUser: {user_prompt}\nAI: {ai_response}"