update module

python-util/python-util.spec

@@ -28,7 +28,7 @@
 %define       V_zope_interface 5.4.0
 %define       V_zope_event     4.5.0
 %define       V_zope_hookable  5.1.0
-%define       V_attrs          21.3.0
+%define       V_attrs          21.4.0
 %define       V_constantly     15.1.0
 %define       V_automat        20.2.0
 %define       V_monk           0.13.2
@@ -45,7 +45,7 @@ Class:        BASE
 Group:        Language
 License:      GPL
 Version:      %{V_python}
-Release:      20211228
+Release:      20211231
 
 #   list of sources
 Source0:      https://files.pythonhosted.org/packages/source/u/utils/utils-%{V_utils}.tar.gz