diff -r b5b54825de6b -r d13bcc9fd656 mercurial/destutil.py
--- a/mercurial/destutil.py	Fri Dec 18 13:53:50 2015 -0600
+++ b/mercurial/destutil.py	Thu Dec 24 10:16:30 2015 -0800
@@ -205,9 +205,12 @@
 
 def desthistedit(ui, repo):
     """Default base revision to edit for `hg histedit`."""
+    # Avoid cycle: scmutil -> revset -> destutil
+    from . import scmutil
+
     default = ui.config('histedit', 'defaultrev', histeditdefaultrevset)
     if default:
-        revs = repo.revs(default)
+        revs = scmutil.revrange(repo, [default])
         if revs:
             # The revset supplied by the user may not be in ascending order nor
             # take the first revision. So do this manually.