[Python-checkins] Python Regression Test Failures refleak (3)

[Neal Norwitz]

More important issues:
----------------------
test_io leaked [237, 237, 237] references, sum=711
test_memoryio leaked [267, 267, 267] references, sum=801
test_ssl leaked [-81, 420, 0] references, sum=339

Less important issues:
----------------------
test_smtplib leaked [0, -88, 88] references, sum=0
test_sys leaked [0, 42, 0] references, sum=42
test_threading leaked [48, 48, 48] references, sum=144
test_urllib2_localnet leaked [277, -277, 0] references, sum=0