Update app.py

app.py

@@ -36,7 +36,7 @@ def call_openai_api(user_prompt):
         try:
             response = openai.ChatCompletion.create(
                 model="gpt-3.5-turbo",
-                stream="true",
+                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}"},