Update app.py

app.py

@@ -15,7 +15,7 @@ def download_file(url, save_name):
         file = requests.get(url)
         open(save_name, 'wb').write(file.content)
  
- for i, url in enumerate(file_urls):
+for i, url in enumerate(file_urls):
     if 'mp4' in file_urls[i]:
         download_file(
             file_urls[i],