Here is the result of running the writes.py test with the patch I submitted.   This is on OS-X.

bash-3.2$ ./python.exe writes.py
t1 2.83990693092 0
t2 3.27937912941 0
t1 5.54346394539 1
t2 6.68237304688 1
t1 8.9648039341 2
t2 9.60041999817 2
t1 12.1856160164 3
t2 12.5866689682 3
t1 15.3869640827 4
t2 15.7042851448 4
t1 18.4115200043 5
t2 18.5771169662 5
t2 21.4922711849 6
t1 21.6835460663 6
t2 24.6117911339 7
t1 24.9126679897 7
t1 27.1683580875 8
t2 28.2728791237 8
t1 29.4513950348 9
t1 32.2438161373 10
t2 32.5283250809 9
t1 34.8905010223 11
t2 36.0952250957 10
t1 38.109760046 12
t2 39.3465380669 11
t1 41.5758800507 13
t2 42.587772131 12
t1 45.1536290646 14
t2 45.8339021206 13
t1 48.6495029926 15
t2 49.1581180096 14
t1 51.5414950848 16
t2 52.6768190861 15
t1 54.818582058 17
t2 56.1163961887 16
t1 58.1549630165 18
t2 59.6944830418 17
t1 61.4515309334 19
t2 62.7685520649 18
t1 64.3223180771 20
t2 65.8158640862 19
65.8578810692