--- a/ChangeLog	Wed Dec 30 11:02:14 2020 +0100
+++ b/ChangeLog	Mon Apr 26 19:46:00 2021 +0200
@@ -1,5 +1,8 @@
 ChangeLog
 ---------
+Version 3.1.0:
+- implemented some code simplifications
+
 Version 3.0.0:
 - removed support for Python2