[Python-checkins] Python Regression Test Failures refleak (2)

[Neal Norwitz]

More important issues:
----------------------
test_threadedtempfile leaked [0, 0, 103] references, sum=103
test_userlist leaked [50, 50, 50] references, sum=150

Less important issues:
----------------------
test_smtplib leaked [0, 0, 86] references, sum=86
test_threadsignals leaked [-8, 0, 0] references, sum=-8
test_urllib2_localnet leaked [3, 3, 3] references, sum=9