--- a/eric6/Plugins/VcsPlugins/vcsMercurial/CloseheadExtension/closehead.py	Mon Mar 01 17:48:43 2021 +0100
+++ b/eric6/Plugins/VcsPlugins/vcsMercurial/CloseheadExtension/closehead.py	Tue Mar 02 17:17:09 2021 +0100
@@ -37,7 +37,7 @@
         if not revisions:
             from .HgCloseHeadSelectionDialog import HgCloseHeadSelectionDialog
             dlg = HgCloseHeadSelectionDialog(self.vcs)
-            if dlg.exec() == QDialog.Accepted:
+            if dlg.exec() == QDialog.DialogCode.Accepted:
                 revisions, message = dlg.getData()
         
         if not revisions: