Update app.py

app.py

@@ -14,7 +14,7 @@ def download_url(url, name):
 def download_url_vid(url, name):
     opts = {
         "mp4": '-f "bestvideo[ext=mp4]+bestaudio[ext=m4a]/best[ext=mp4]/best"',
-    }[
+    }
     filename = f"{name}.mp4"
     os.system(f"yt-dlp {opts} {url} -o {filename}")
     return filename