[issue2790] sys.flags is missing bytes_warning

[Brett Cannon]

Brett Cannon <brett at python.org> added the comment:

Ralf, can you do a ``make clean`` and then try again? I had this happen to 
me with an old checkout until I did that and then everything worked fine.

__________________________________
Tracker <report at bugs.python.org>
<http://bugs.python.org/issue2790>
__________________________________