Update app.py

app.py

@@ -25,7 +25,7 @@ def download_youtube_video(url):
 
 # Interface for Gradio app
 interface = gr.Interface(
-    fn=app,
+    fn=download_youtube_video,
     inputs=gr.Textbox(label="Enter YouTube link"),
     outputs=gr.Video(label = "video_path")
 ).launch()