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

[Neal Norwitz]

More important issues:
----------------------
test_httpservers leaked [-178, 22, 181] references, sum=25
test_imaplib leaked [0, 0, -387] references, sum=-387

Less important issues:
----------------------
test_file leaked [0, 0, 82] references, sum=82
test_filecmp leaked [0, 0, -82] references, sum=-82
test_smtplib leaked [-82, 86, -4] references, sum=0
test_urllib2_localnet leaked [-120, -140, 146] references, sum=-114