This change broke test_platform for me:
======================================================================
ERROR: test_architecture (test.test_platform.PlatformTest)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/home/antoine/cpython/32/Lib/test/test_platform.py", line 11, in test_architecture
res = platform.architecture()
File "/home/antoine/cpython/32/Lib/platform.py", line 1072, in architecture
if 'executable' not in fileout:
TypeError: Type str doesn't support the buffer API