findrenames: improve coding-style

mercurial/cmdutil.py

@@ -302,6 +302,7 b' def findrenames(repo, added, removed, th'
             myscore = score(repo.wread(a))
             if myscore >= bestscore:
                 copies[a] = (r, myscore)
+
     for dest, v in copies.iteritems():
         source, score = v
         yield source, dest, score