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

[Neal Norwitz]

More important issues:
----------------------
test_bytes leaked [4, 4, 4] references, sum=12
test_docxmlrpc leaked [3, 3, -3] references, sum=3

Less important issues:
----------------------
test_popen2 leaked [-25, 0, 0] references, sum=-25
test_smtplib leaked [0, 88, 0] references, sum=88
test_threadsignals leaked [0, -8, 0] references, sum=-8
test_urllib2_localnet leaked [285, 0, -276] references, sum=9