fix examples

app.py

@@ -517,12 +517,12 @@ def optimized_bertopic(df):
     return top_tweets
 
 global examples
-examples = [ "katip,katipunan",
+examples = [["katip,katipunan",
         "bgc,bonifacio global city",
         "pobla,poblacion",
         "cubao",
         "taft"
-    ]
+    ]]
 
 def main(dataset, model, progress=gr.Progress(track_tqdm=True)):
     global df
@@ -561,7 +561,7 @@ def main(dataset, model, progress=gr.Progress(track_tqdm=True)):
     headlines = topic_summarization(top_tweets)
     headlines = '\n'.join(str(h) for h in headlines)
     # print(headlines)
-    top_tweets = '\n'.join (str(tweet) for tweet in top_tweets)
+    top_tweets = '\n\n'.join (str(tweet) for tweet in top_tweets)