* Package:    dev-lang/python-2.7.1-r1
 * Repository: gentoo
 * Maintainer: python@gentoo.org
 * USE:        arm elibc_glibc kernel_linux ncurses readline ssl threads userland_GNU wide-unicode xml
 * FEATURES:   sandbox
Traceback (most recent call last):
  File "/usr/lib64/portage/bin/ebuild-ipc.py", line 32, in <module>
    import portage
  File "/usr/lib64/portage/pym/portage/__init__.py", line 371, in <module>
    if platform.system() in ('FreeBSD',):
  File "/usr/lib64/python2.6/platform.py", line 1227, in system
    return uname()[0]
  File "/usr/lib64/python2.6/platform.py", line 1194, in uname
    processor = _syscmd_uname('-p','')
  File "/usr/lib64/python2.6/platform.py", line 950, in _syscmd_uname
    output = string.strip(f.read())
KeyboardInterrupt