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

[Neal Norwitz]

More important issues:
----------------------
test_threadedtempfile leaked [99, -99, 92] references, sum=92

Less important issues:
----------------------
test_cmd_line leaked [23, 0, 0] references, sum=23
test_smtplib leaked [0, 0, -2] references, sum=-2
test_threadsignals leaked [0, -8, 0] references, sum=-8
test_urllib2_localnet leaked [3, 3, 3] references, sum=9