python setup.py install
RHOMES= ['/Library/Frameworks/R.framework/Versions/2.13/R']
DEBUG= True
Traceback (most recent call last):
  File "setup.py", line 109, in <module>
    RVERSION = rpy_tools.get_R_VERSION(RHOME, force_exec=True)
  File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/rpy-1.0.3/rpy_tools.py", line 103, in get_R_VERSION
    raise RuntimeError("Couldn't obtain version number from output\n"
RuntimeError: Couldn't obtain version number from output
of `R --version'.