Update app.py

app.py

@@ -294,4 +294,8 @@ class VideoAnalytics:
               with gr.Row():
                   topics_download = gr.DownloadButton(label="Download",value="Topics.txt",visible=True,size='lg',elem_classes="download_button")
               submit_btn.click(self.main,[video,yt_link],[summary,Important_Sentences,Topics])
-        demo.launch()
+        demo.launch()
+
+if __name__ == "__main__":
+  video_analytics = VideoAnalytics()
+  video_analytics.gradio_interface()