--- a/PluginSelectionEncloser.py	Wed Dec 30 11:02:15 2020 +0100
+++ b/PluginSelectionEncloser.py	Mon Apr 26 19:57:50 2021 +0200
@@ -7,6 +7,7 @@
 Module implementing the Selection Encloser plug-in.
 """
 
+import contextlib
 import os
 import json
 
@@ -22,7 +23,7 @@
 author = "Detlev Offenbach <detlev@die-offenbachs.de>"
 autoactivate = True
 deactivateable = True
-version = "3.1.0"
+version = "3.2.0"
 className = "SelectionEncloserPlugin"
 packageName = "SelectionEncloser"
 shortDescription = "Enclose the selection with a string."
@@ -63,14 +64,12 @@
     try:
         usesDarkPalette = e5App().usesDarkPalette()
     except AttributeError:
+        # for eric6 < 20.4
         from PyQt5.QtGui import QPalette
         palette = e5App().palette()
         lightness = palette.color(QPalette.Window).lightness()
         usesDarkPalette = lightness <= 128
-    if usesDarkPalette:
-        iconSuffix = "dark"
-    else:
-        iconSuffix = "light"
+    iconSuffix = "dark" if usesDarkPalette else "light"
     
     return {
         "selectionEncloserPage": [
@@ -101,7 +100,7 @@
         
         @param ui reference to the user interface object (UI.UserInterface)
         """
-        QObject.__init__(self, ui)
+        super.__init__(ui)
         self.__ui = ui
         
         # menu is a list of lists; each list consists of a string for the
@@ -295,12 +294,10 @@
         
         @param editor reference to the editor (QScintilla.Editor)
         """
-        try:
+        with contextlib.suppress(KeyError):
             del self.__editors[editor]
             if not self.__editors:
                 self.__menu.setEnabled(False)
-        except KeyError:
-            pass
     
     def __editorShowMenu(self, menuName, menu, editor):
         """