added topic string column

app.py

@@ -318,6 +318,8 @@ def dataframeProcessing(dataset):
 
     df['topic'] = [sorted(lda_model_final[corpus][text][0]) for text in range(len(df['original_tweets']))]
 
+    df['topic_string'] = df['topic'].astype(str)
+
     df = df[df['topic'].map(lambda d: len(d)) > 0]
     df['topic'][0]
 
@@ -339,7 +341,7 @@ def dataframeProcessing(dataset):
         print('Topic ', i)
         print(rep_tweets[:5])
     
-    output_df = df[['topic', 'original_tweets']].copy()
+    output_df = df[['topic_string', 'original_tweets']].copy()
     
     return lda_topics_string, output_df
 
@@ -353,5 +355,5 @@ iface = gr.Interface(fn=dataframeProcessing,
                                         "bonifacio global city-december"],
                                         label="Dataset"), 
                      outputs=["text",
-                              gr.Dataframe(headers=['max_topic', 'original_tweets'])])
+                              gr.Dataframe(headers=['topic_string', 'original_tweets'])])
 iface.launch()