More important issues: ---------------------- test_poplib leaked [0, 0, 97] references, sum=97 Less important issues: ---------------------- test_popen2 leaked [23, -23, 0] references, sum=0 test_threadsignals leaked [0, -8, 0] references, sum=-8 test_urllib2_localnet leaked [3, 3, 134] references, sum=140