MacPorts break my GRASS GIS 7.0 Yosemite installation

After installing the proper version of Python for running BlenderGIS, I would run a previous GRASS GIS Project but unfortunately It didn't want to launch !
I've got this common error :
arch: posix_spawnp: /opt/local/bin/pythonw2.7: Bad CPU type in executable

Well, I decided to make a new installation of GRASS GIS 7.0 by downloading it again from the official site : ... After waiting a few moment with my poor internet connection, my bad, the same error is present !
With my favourite search engine, I explore the web and found some things like in the official documentation ( ) settings new python's environments variables. By the way, I put this in my ~/.bash_profile :
export GRASS_PYTHON=/usr/bin/python2.7
export GRASS_PYTHONWX=/usr/bin/pythonw2.7

It's different to the official common MacOsX GRASS GIS errors but GRASS 7 require python2.7.
This procedure didn't work. 

In the description of the bug, there is a problem between a wrong architecture : 32 vs 64 bits. I decided to download the latest revision of python 2.7 here :

And all I want to say is "It Works !"

Note : if you want to install BlenderGIS on your Mac, you can follow the procedure here :
BlenderGIS require Gdal python bindings but with python 3.x, that's why I have a trouble with software requirements


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