Update app.py

app.py

@@ -104,14 +104,14 @@ def load_recommender(paths, start_page=1):
     return 'Corpus Loaded.'
 
 def generate_text(messages, engine='gpt-3.5-turbo', max_tokens=2048, temperature=0.8):
-   response = openai.ChatCompletion.create(
+    response = openai.ChatCompletion.create(
         model=engine,
         messages=[{"role": "system", "content": "You are a research assistant"},
              {"role": "user", "content": prompt}],
         max_tokens=max_tokens,
         n=1,
         temperature=temperature
-    )
+     )
     return response.choices[0].message['content']