--- a/Plugins/VcsPlugins/vcsPySvn/SvnUrlSelectionDialog.py	Mon Aug 30 20:16:34 2010 +0200
+++ b/Plugins/VcsPlugins/vcsPySvn/SvnUrlSelectionDialog.py	Tue Aug 31 12:17:02 2010 +0200
@@ -11,12 +11,12 @@
 from PyQt4.QtGui import *
 
 from E5Gui.E5Application import e5App
+from E5Gui import E5MessageBox
 
 import pysvn
 
 from .Ui_SvnUrlSelectionDialog import Ui_SvnUrlSelectionDialog
 
-
 class SvnUrlSelectionDialog(QDialog, Ui_SvnUrlSelectionDialog):
     """
     Class implementing a dialog to enter the URLs for the svn diff command.
@@ -47,7 +47,7 @@
         
         reposURL = self.vcs.svnGetReposName(path)
         if reposURL is None:
-            QMessageBox.critical(None,
+            E5MessageBox.critical(self,
                 self.trUtf8("Subversion Error"),
                 self.trUtf8("""The URL of the project repository could not be"""
                     """ retrieved from the working copy. The operation will"""
@@ -59,7 +59,7 @@
             # determine the base path of the project in the repository
             rx_base = QRegExp('(.+/)(trunk|tags|branches).*')
             if not rx_base.exactMatch(reposURL):
-                QMessageBox.critical(None,
+                E5MessageBox.critical(self,
                     self.trUtf8("Subversion Error"),
                     self.trUtf8("""The URL of the project repository has an"""
                         """ invalid format. The operation will"""