Update app.py

app.py

@@ -99,7 +99,7 @@ def yt_audio_to_text(url: str,
                     ):
 
     global audio_file_number
-    global progress
+                        
     progress = gr.Progress()
     progress(0.1)
 
@@ -422,8 +422,6 @@ class YouTubeChatbot:
 
 
 
-
-
 class YouTubeChatbotApp(YouTubeChatbot):
 
     def __init__(self,
@@ -514,11 +512,12 @@ class YouTubeChatbotApp(YouTubeChatbot):
 
 
 
-app = YouTubeChatbotApp(n_sources=3, 
-                        k=5, 
-                        timestamp_interval=datetime.timedelta(minutes=2),
-                        memory=5,
-                        default_youtube_url='https://www.youtube.com/watch?v=4Bdc55j80l8'
-                       )
+if __name__ == "__main__":
+    app = YouTubeChatbotApp(n_sources=3, 
+                            k=5, 
+                            timestamp_interval=datetime.timedelta(minutes=2),
+                            memory=5,
+                            default_youtube_url='https://www.youtube.com/watch?v=4Bdc55j80l8'
+                           )
 
-app.launch(debug=True)
+    app.launch()