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

[Neal Norwitz]

More important issues:
----------------------
test_modulefinder leaked [145, 145, 145] references, sum=435

Less important issues:
----------------------
test_docxmlrpc leaked [33, -1, -28] references, sum=4
test_popen2 leaked [0, 54, -25] references, sum=29
test_smtplib leaked [6, 0, 0] references, sum=6
test_threading leaked [48, 48, 48] references, sum=144
test_urllib2_localnet leaked [3, 3, 3] references, sum=9
test_xmlrpc leaked [-85, 0, 34] references, sum=-51