sort and fix backend imports

backend/utils/webhook.py

@@ -1,8 +1,9 @@
 import json
-import requests
 import logging
 
-from config import SRC_LOG_LEVELS, VERSION, WEBUI_FAVICON_URL, WEBUI_NAME
+import requests
+from config import WEBUI_FAVICON_URL, WEBUI_NAME
+from env import SRC_LOG_LEVELS, VERSION
 
 log = logging.getLogger(__name__)
 log.setLevel(SRC_LOG_LEVELS["WEBHOOK"])