File support-python-310.patch of Package python-chest

Index: chest-0.2.3/chest/core.py
===================================================================
--- chest-0.2.3.orig/chest/core.py
+++ chest-0.2.3/chest/core.py
@@ -1,4 +1,4 @@
-from collections import MutableMapping
+from collections.abc import MutableMapping
 from functools import partial
 from threading import Lock
 from contextlib import contextmanager