[igraph] pipi on mac cannot install igraph

[Sam Steingold]

Hi,
How do I install python-igraph on macosx?
I tried pipi (https://github.com/igraph/igraph/issues/538)
I also installed
https://pypi.python.org/packages/2.7/p/python-igraph/python_igraph-0.6.5-py2.7-macosx10.8.dmg
and tried "python setup install" which resulted in the same error as pipi:

In file included from src/arpackobject.c:23:
src/arpackobject.h:27:10: fatal error: 'igraph_arpack.h' file not found

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Sam Steingold (http://sds.podval.org/) on darwin Ns 10.3.1265
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