--- a/eric6/Plugins/VcsPlugins/vcsMercurial/CloseheadExtension/ProjectHelper.py	Sat Sep 21 20:30:56 2019 +0200
+++ b/eric6/Plugins/VcsPlugins/vcsMercurial/CloseheadExtension/ProjectHelper.py	Sat Sep 21 22:03:03 2019 +0200
@@ -76,5 +76,5 @@
         """
         Private slot used to close arbitrary heads.
         """
-        self.vcs.getExtensionObject("closehead")\
-            .hgCloseheads(self.project.getProjectPath())
+        self.vcs.getExtensionObject("closehead").hgCloseheads(
+            self.project.getProjectPath())