[Python-checkins] Python Regression Test Failures refleak (1)

[Neal Norwitz]

More important issues:
----------------------
test_urllib2_localnet leaked [-269, 278, -278] references, sum=-269

Less important issues:
----------------------
test_asynchat leaked [-139, 0, 0] references, sum=-139
test_socketserver leaked [80, -80, 80] references, sum=80
test_threading leaked [48, 48, 48] references, sum=144