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

[Neal Norwitz]

More important issues:
----------------------
test_thread leaked [-48, 0, 0] references, sum=-48

Less important issues:
----------------------
test_asynchat leaked [-132, 0, 0] references, sum=-132
test_docxmlrpc leaked [0, -7, 7] references, sum=0
test_popen2 leaked [0, 54, 0] references, sum=54
test_smtplib leaked [94, -88, 105] references, sum=111
test_threadsignals leaked [0, -8, 0] references, sum=-8
test_urllib2_localnet leaked [3, 3, 3] references, sum=9
test_xmlrpc leaked [-119, 0, 34] references, sum=-85