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

[Neal Norwitz]

More important issues:
----------------------
test_urllib2_localnet leaked [-269, 278, -278] references, sum=-269

Less important issues:
----------------------
test_asynchat leaked [-139, 0, 0] references, sum=-139
test_docxmlrpc leaked [0, 175, -175] references, sum=0
test_popen2 leaked [54, 0, -54] references, sum=0
test_threading leaked [48, 48, 48] references, sum=144