--- a/src/eric7/Templates/TemplateViewer.py	Sun Dec 03 16:44:52 2023 +0100
+++ b/src/eric7/Templates/TemplateViewer.py	Sun Dec 03 19:46:34 2023 +0100
@@ -131,7 +131,7 @@
         """
         Public method to remove all template entries of this group.
         """
-        for name in list(self.entries.keys())[:]:
+        for name in list(self.entries):
             self.removeEntry(name)
 
     def hasEntry(self, name):
@@ -289,7 +289,7 @@
             number of lines (integer) and the length of the last line (integer)
         """
         txt = self.template
-        for var, val in list(varDict.items()):
+        for var, val in varDict.items():
             txt = (
                 self.__expandFormattedVariable(var, val, txt)
                 if var in self.formatedVariables
@@ -727,7 +727,7 @@
 
         # Remove predefined variables from list so user doesn't have to fill
         # these values out in the dialog.
-        for v in list(varValues.keys()):
+        for v in varValues:
             if v in variables:
                 variables.remove(v)
 
@@ -911,7 +911,7 @@
 
         @return list of all group names (list of strings)
         """
-        groups = sorted(list(self.groups.keys())[:])
+        groups = sorted(self.groups)
         return groups
 
     def removeGroup(self, itm):