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

[Neal Norwitz]

More important issues:
----------------------
test_httpservers leaked [-3, -209, 0] references, sum=-212

Less important issues:
----------------------
test_smtplib leaked [82, -82, 86] references, sum=86
test_socketserver leaked [0, 0, 78] references, sum=78
test_threading leaked [-1, 1, -1] references, sum=-1
test_urllib2_localnet leaked [146, -140, 423] references, sum=429