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

[Neal Norwitz]

More important issues:
----------------------
test_poplib leaked [-213, 0, 0] references, sum=-213

Less important issues:
----------------------
test_cmd_line leaked [0, 0, -50] references, sum=-50
test_smtplib leaked [88, 0, 0] references, sum=88
test_sys leaked [21, 0, -21] references, sum=0
test_urllib2_localnet leaked [3, 3, 3] references, sum=9