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

[Neal Norwitz]

More important issues:
----------------------
test_dumbdbm leaked [-91, 0, 0] references, sum=-91

Less important issues:
----------------------
test_asynchat leaked [-108, 0, 0] references, sum=-108
test_cmd_line leaked [-23, 0, 0] references, sum=-23
test_threading leaked [0, -2, 0] references, sum=-2
test_threadsignals leaked [-8, 0, 0] references, sum=-8
test_urllib2_localnet leaked [3, 3, 3] references, sum=9