Revert incorrect ordering of imports

Author: d1618033

pandas/_config/config.py

@@ -49,6 +49,7 @@
 """
 
 from collections import namedtuple
+from contextlib import contextmanager
 import re
 from typing import (
     Any,
@@ -63,7 +64,6 @@
     cast,
 )
 import warnings
-from contextlib import contextmanager
 
 DeprecatedOption = namedtuple("DeprecatedOption", "key msg rkey removal_ver")
 RegisteredOption = namedtuple("RegisteredOption", "key defval doc validator cb")