Fix imports from collections.abc
diff --git a/Lib/configparser.py b/Lib/configparser.py
index 1bfdac8..4e3af5f 100644
--- a/Lib/configparser.py
+++ b/Lib/configparser.py
@@ -119,7 +119,8 @@
         between keys and values are surrounded by spaces.
 """
 
-from collections import MutableMapping, OrderedDict as _default_dict, _ChainMap
+from collections.abc import MutableMapping
+from collections import OrderedDict as _default_dict, _ChainMap
 import functools
 import io
 import itertools