# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@fb.com>
# Date 2014-10-08 09:43:51
# Node ID bb1bd9ee323dcf3d72db5a9d31bb11e4cf66aa30
# Parent  9bfe68357c019cf77e04c05d120320c68e536a55

dagwalker: drop a useless intermediate variable

The variable used to contain revs.set() but as the `.set()` has been removed
it is now useless.

diff --git a/mercurial/graphmod.py b/mercurial/graphmod.py
--- a/mercurial/graphmod.py
+++ b/mercurial/graphmod.py
@@ -37,11 +37,10 @@ def dagwalker(repo, revs):
     lowestrev = revs.min()
     gpcache = {}
 
-    knownrevs = revs
     for rev in revs:
         ctx = repo[rev]
         parents = sorted(set([p.rev() for p in ctx.parents()
-                              if p.rev() in knownrevs]))
+                              if p.rev() in revs]))
         mpars = [p.rev() for p in ctx.parents() if
                  p.rev() != nullrev and p.rev() not in parents]