Update app.py

app.py

@@ -17,9 +17,11 @@ def download_video(url):
         ydl_opts = {
             'format': 'bestvideo+bestaudio/best',
             'outtmpl': os.path.join(tmpdirname, '%(title)s.%(ext)s'),
-            'merge_output_format': 'webm',  # Download format as .webm
+            'merge_output_format': 'webm',
+            'user_agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.93 Safari/537.36',
         }
 
+
         # Download the video using yt-dlp
         with yt_dlp.YoutubeDL(ydl_opts) as ydl:
             # Use a progress hook to update the progress bar