Update modules/app.py

modules/app.py

@@ -98,7 +98,7 @@ async def concatenate_videos(input_data: VideosInput):
 
     # Download videos to temporary files
     for video_url in input_data.video_urls:
-        temp_video_paths.append(download_file(str(video_url), ".mp4"))
+        temp_video_paths.append(await download_file(str(video_url), ".mp4"))
 
     # Generate a unique filename
     output_filename = f"{uuid.uuid4()}.mp4"