Dismiss my last comment. These are the tests actually leaking for my build: 

test_docxmlrpc leaked [85, -6, 0, 39] references, sum=118
test_httpservers leaked [-195, 195, 0, 64] references, sum=64
test_os leaked [23, -23, 0, 23] references, sum=23
test_pipes leaked [0, 0, 0, -23] references, sum=-23
test_popen leaked [0, -23, 0, 0] references, sum=-23
test_urllib2 leaked [227, 227, 227, 227] references, sum=908
test_urllib2_localnet leaked [3, 3, 3, 3] references, sum=12