--- a/Plugins/VcsPlugins/vcsMercurial/HisteditExtension/HgHisteditConfigDialog.py	Thu Mar 21 19:26:10 2019 +0100
+++ b/Plugins/VcsPlugins/vcsMercurial/HisteditExtension/HgHisteditConfigDialog.py	Thu Mar 21 19:27:42 2019 +0100
@@ -216,6 +216,8 @@
                 return self.branchCombo.currentText()
             elif self.bookmarkButton.isChecked():
                 return self.bookmarkCombo.currentText()
+        
+        return ""
     
     def getData(self):
         """