[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:
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test_cmd_line leaked [-25, 0, 0] references, sum=-25
test_socketserver leaked [0, 78, -78] references, sum=0
test_sys leaked [0, 42, -42] references, sum=0
test_threading leaked [48, 48, 48] references, sum=144