--- a/Plugins/VcsPlugins/vcsMercurial/ConfigurationPage/MercurialPage.py	Fri Oct 21 18:39:56 2016 +0200
+++ b/Plugins/VcsPlugins/vcsMercurial/ConfigurationPage/MercurialPage.py	Fri Oct 21 20:01:56 2016 +0200
@@ -111,5 +111,6 @@
         """
         Private slot to edit the (per user) Mercurial configuration file.
         """
-        from ..HgUserConfig import hgEditUserConfig
-        hgEditUserConfig()
+        from ..HgUserConfigDialog import HgUserConfigDialog
+        dlg = HgUserConfigDialog()
+        dlg.exec_()