Update run.py

run.py

@@ -20,9 +20,10 @@ def downloader(video_url, audio_format):
     }
 
     with yt_dlp.YoutubeDL(ydl_opts) as ydl:
-        ydl.download([video_url])
+        result = ydl.download([video_url])
     
-
+    # Replace %(ext)s with the actual format
+    final_output_path = final_output_path.replace('%(ext)s', audio_format)
     
     return final_output_path