--- a/CHANGELOG	Tue Dec 12 04:16:54 2017 +0100
+++ b/CHANGELOG	Thu Dec 14 13:19:56 2017 +0100
@@ -1,6 +1,13 @@
 Changelog
 =========
 
+7.1.1 - in progress
+-------------------
+
+topic (0.6.1)
+
+  * fix compatibility with Mercurial-4.3
+
 7.1.0 -- 2017-12-12
 -------------------
 

--- a/hgext3rd/topic/__init__.py	Tue Dec 12 04:16:54 2017 +0100
+++ b/hgext3rd/topic/__init__.py	Thu Dec 14 13:19:56 2017 +0100
@@ -181,6 +181,9 @@
 buglink = 'https://bz.mercurial-scm.org/'
 
 if util.safehasattr(registrar, 'configitem'):
+
+    from mercurial import configitems
+
     configtable = {}
     configitem = registrar.configitem(configtable)
 
@@ -200,7 +203,7 @@
                default=False,
     )
     configitem('experimental', 'topic-mode.server',
-               default=configitem.dynamicdefault,
+               default=configitems.dynamicdefault,
     )
 
     def extsetup(ui):