--- a/eric6/Plugins/VcsPlugins/vcsMercurial/HgDiffHighlighter.py	Sat Apr 10 18:31:17 2021 +0200
+++ b/eric6/Plugins/VcsPlugins/vcsMercurial/HgDiffHighlighter.py	Sat Apr 10 18:38:27 2021 +0200
@@ -20,7 +20,7 @@
         
         @param doc reference to the text document (QTextDocument)
         """
-        super(HgDiffHighlighter, self).__init__(doc)
+        super().__init__(doc)
 
     def generateRules(self):
         """