Fixed bad topic list generation

app.py

@@ -96,6 +96,11 @@ def get_random_topic() -> str:
         )
 
         topics = completion.choices[0].message.content.split(",")
+
+        if len(topics) < 5:
+            logging.info(f"The topics is too short: {topics}. Retrying...")
+            return get_random_topic()
+
         logging.info(f"The topics list is: {topics}")
         topic = random.choice(topics)