--- pypcap-1.1-old/pcap.pyx 2005-10-16 18:00:11.000000000 -0500 +++ pypcap-1.1/pcap.pyx 2007-06-12 11:11:41.000000000 -0500 @@ -285,7 +285,7 @@ &ctx) if ctx.got_exc: exc = sys.exc_info() - raise exc[0], exc[1], exc[2] + raise OSError, "%s [%s]" % (exc[0], exc[1]), exc[2] return n def loop(self, callback, *args):