Update app.py

app.py

@@ -582,7 +582,7 @@ class DownloadManager:
             logger.error(f"Error getting sublinks: {e}")
             return []
 
-        async def deep_search(self, url, custom_ext_list=None, sublink_limit=100, timeout=30):
+    async def deep_search(self, url, custom_ext_list=None, sublink_limit=100, timeout=30):
         if not custom_ext_list:
             custom_ext_list = []