--- a/hgext3rd/evolve/__init__.py	Tue Jul 25 05:52:14 2017 +0200
+++ b/hgext3rd/evolve/__init__.py	Tue Jul 25 14:55:24 2017 +0200
@@ -2066,7 +2066,7 @@
                 raise
 
         children = [ctx for ctx in wparents[0].children() if not ctx.obsolete()]
-        topic = getattr(repo, 'currenttopic', '')
+        topic = _getcurrenttopic(repo)
         filtered = []
         if topic and not opts.get("no_topic", False):
             filtered = [ctx for ctx in children if ctx.topic() != topic]