[code-quality] Organise core imports (#7149)

esphome/yaml_util.py

@@ -3,16 +3,16 @@ from __future__ import annotations
 import fnmatch
 import functools
 import inspect
+from io import TextIOWrapper
 import logging
 import math
 import os
-import uuid
-from io import TextIOWrapper
 from typing import Any
+import uuid
 
 import yaml
-import yaml.constructor
 from yaml import SafeLoader as PurePythonLoader
+import yaml.constructor
 
 try:
     from yaml import CSafeLoader as FastestAvailableSafeLoader