[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_asynchat leaked [128, -128, 0] references, sum=0
test_smtplib leaked [35, -123, 88] references, sum=0
test_sys leaked [-21, 0, 0] references, sum=-21
test_threading leaked [48, 53, 43] references, sum=144
test_threadsignals leaked [0, -8, 8] references, sum=0
test_urllib2_localnet leaked [-280, 3, 3] references, sum=-274