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

[Neal Norwitz]

test_cmd_line leaked [0, -17, 17] references
test_threaded_import leaked [0, 0, 11] references
test_threadedtempfile leaked [0, 0, -11] references
test_threading_local leaked [-93, 0, 0] references
test_urllib2 leaked [-121, 88, 99] references