# HG changeset patch
# User Laurent Charignon <lcharignon@fb.com>
# Date 1435020392 25200
# Node ID afe46c3b15db2019267e1a045bd3149bc2e9ee24
# Parent  c3a50e54b25def5107f2299e492d03fd61a15505
evolve: clarify code in _singlesuccessor

Before this patch we were not very explicit with this while condition in
_singlesuccessor. This patch makes it more legible.

diff --git a/hgext/evolve.py b/hgext/evolve.py
--- a/hgext/evolve.py
+++ b/hgext/evolve.py
@@ -1364,7 +1364,7 @@
     ui = repo.ui
     newer = obsolete.successorssets(repo, obs.node())
     # search of a parent which is not killed
-    while not newer or newer == [()]:
+    while not newer:
         ui.debug("stabilize target %s is plain dead,"
                  " trying to stabilize on its parent\n" %
                  obs)