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

[Neal Norwitz]

More important issues:
----------------------
test_structmembers leaked [114, 114, 114] references, sum=342

Less important issues:
----------------------
test_cmd_line leaked [23, -23, 23] references, sum=23
test_popen2 leaked [0, 0, 26] references, sum=26
test_smtplib leaked [0, 3, -3] references, sum=0
test_threadsignals leaked [0, 0, -8] references, sum=-8
test_urllib2_localnet leaked [146, -140, 146] references, sum=152