Merged revisions 82828 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r82828 | benjamin.peterson | 2010-07-11 18:06:06 -0500 (Sun, 11 Jul 2010) | 1 line

  allow byte literals
........
diff --git a/Lib/ast.py b/Lib/ast.py
index 0b8baf7..027302f 100644
--- a/Lib/ast.py
+++ b/Lib/ast.py
@@ -50,7 +50,7 @@
     if isinstance(node_or_string, Expression):
         node_or_string = node_or_string.body
     def _convert(node):
-        if isinstance(node, Str):
+        if isinstance(node, (Str, Bytes)):
             return node.s
         elif isinstance(node, Num):
             return node.n