--- a/eric6/UI/Previewer.py	Sat Apr 10 18:31:17 2021 +0200
+++ b/eric6/UI/Previewer.py	Sat Apr 10 18:38:27 2021 +0200
@@ -28,7 +28,7 @@
         @param splitter reference to the embedding splitter (QSplitter)
         @param parent reference to the parent widget (QWidget)
         """
-        super(Previewer, self).__init__(parent)
+        super().__init__(parent)
         
         self.__vm = viewmanager
         self.__splitter = splitter
@@ -66,7 +66,7 @@
         """
         Public method to show the preview widget.
         """
-        super(Previewer, self).show()
+        super().show()
         if self.__firstShow:
             self.__splitter.restoreState(
                 Preferences.getUI("PreviewSplitterState"))
@@ -77,7 +77,7 @@
         """
         Public method to hide the preview widget.
         """
-        super(Previewer, self).hide()
+        super().hide()
         self.__typingTimer.stop()
     
     def shutdown(self):