Index: wstools-0.4.8/wstools/Utility.py
===================================================================
--- wstools-0.4.8.orig/wstools/Utility.py	2018-04-04 11:49:16.000000000 +0200
+++ wstools-0.4.8/wstools/Utility.py	2022-01-28 10:53:36.881702924 +0100
@@ -33,7 +33,10 @@ try:
     from UserDict import DictMixin  # noqa
 except ImportError:
     from collections import UserDict
-    from collections import MutableMapping as DictMixin  # noqa
+    try:
+        from collections import MutableMapping as DictMixin  # noqa
+    except ImportError:
+        from collections.abc import MutableMapping as DictMixin  # noqa
 
 from .TimeoutSocket import TimeoutSocket, TimeoutError  # noqa