--- a/eric6/Plugins/VcsPlugins/vcsPySvn/SvnPropListDialog.py	Fri Apr 02 11:59:41 2021 +0200
+++ b/eric6/Plugins/VcsPlugins/vcsPySvn/SvnPropListDialog.py	Sat May 01 14:27:20 2021 +0200
@@ -35,7 +35,7 @@
         @param vcs reference to the vcs object
         @param parent parent widget (QWidget)
         """
-        super(SvnPropListDialog, self).__init__(parent)
+        super().__init__(parent)
         self.setupUi(self)
         SvnDialogMixin.__init__(self)
         
@@ -124,17 +124,16 @@
             try:
                 for name in fnames:
                     proplist = self.client.proplist(name, recurse=recursive)
-                    counter = 0
-                    for path, prop in proplist:
+                    for counter, (path, prop) in enumerate(proplist):
                         for propName, propVal in list(prop.items()):
                             self.__generateItem(path, propName, propVal)
                             self.propsFound = True
-                        counter += 1
-                        if counter == 30:
+                        if (
+                            counter % 30 == 0 and
+                            self._clientCancelCallback()
+                        ):
                             # check for cancel every 30 items
-                            counter = 0
-                            if self._clientCancelCallback():
-                                break
+                            break
                     if self._clientCancelCallback():
                         break
             except pysvn.ClientError as e: