--- a/hgext3rd/evolve/__init__.py	Wed Feb 13 21:39:10 2019 +0800
+++ b/hgext3rd/evolve/__init__.py	Tue Apr 09 20:45:36 2019 +0200
@@ -268,8 +268,6 @@
 from mercurial import util
 
 from mercurial import obsolete
-if not obsolete._enabled:
-    obsolete._enabled = True
 
 from mercurial import (
     bookmarks as bookmarksmod,