[issue4690] asyncore calls handle_write() on closed sockets when use_poll=True

[Giampaolo Rodola']

Changes by Giampaolo Rodola' <g.rodola at gmail.com>:


----------
assignee:  -> giampaolo.rodola

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue4690>
_______________________________________