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

[Neal Norwitz]

More important issues:
----------------------
test_io leaked [61, 61, 61] references, sum=183

Less important issues:
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test_asynchat leaked [-100, 0, 0] references, sum=-100
test_smtplib leaked [0, 0, 88] references, sum=88
test_socketserver leaked [-82, 0, 0] references, sum=-82
test_threadedtempfile leaked [-100, 0, 0] references, sum=-100
test_threadsignals leaked [-8, 0, 0] references, sum=-8
test_urllib2_localnet leaked [146, 134, -128] references, sum=152