--- a/eric6/Plugins/VcsPlugins/vcsMercurial/HgDiffDialog.py	Fri Apr 02 11:59:41 2021 +0200
+++ b/eric6/Plugins/VcsPlugins/vcsMercurial/HgDiffDialog.py	Sat May 01 14:27:20 2021 +0200
@@ -34,7 +34,7 @@
         @param vcs reference to the vcs object
         @param parent parent widget (QWidget)
         """
-        super(HgDiffDialog, self).__init__(parent)
+        super().__init__(parent)
         self.setupUi(self)
         
         self.refreshButton = self.buttonBox.addButton(