Update app.py

app.py

@@ -452,7 +452,7 @@ class DownloadManager:
         except Exception as e:
             logger.error(f"Error extracting files from {url}: {e}")
             return []
-async def download_file(self, file_info, save_dir, referer):
+    async def download_file(self, file_info, save_dir, referer):
         file_url = file_info['url']
         fname = file_info['filename']
         path = os.path.join(save_dir, fname)