--- a/hgext/gpg.py	Sun Apr 26 16:50:44 2009 -0500
+++ b/hgext/gpg.py	Sun Apr 26 16:50:44 2009 -0500
@@ -90,11 +90,9 @@
             yield (l.split(" ", 2), (context, ln))
             ln +=1
 
+    # read the heads
     fl = repo.file(".hgsigs")
-    h = fl.heads()
-    h.reverse()
-    # read the heads
-    for r in h:
+    for r in reversed(fl.heads()):
         fn = ".hgsigs|%s" % hgnode.short(r)
         for item in parsefile(fl.read(r).splitlines(), fn):
             yield item
@@ -154,9 +152,7 @@
             continue
         revs.setdefault(r, [])
         revs[r].extend(keys)
-    nodes = list(revs)
-    nodes.reverse()
-    for rev in nodes:
+    for rev in reversed(revs):
         for k in revs[rev]:
             r = "%5d:%s" % (rev, hgnode.hex(repo.changelog.node(rev)))
             ui.write("%-30s %s\n" % (keystr(ui, k), r))