PyPoi [pypoi] :: (master) » pip install -r requirements.txt                                                                          ~/sources/PyPoi
Downloading/unpacking Pillow==2.5.1 (from -r requirements.txt (line 1))
  Downloading Pillow-2.5.1.zip (6.9MB): 6.9MB downloaded
  Running setup.py (path:/home/frankier/.virtualenvs/pypoi/build/Pillow/setup.py) egg_info for package Pillow
.py

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Downloading/unpacking numpy==1.8.1 (from -r requirements.txt (line 2))
  Downloading numpy-1.8.1.tar.gz (3.8MB): 3.8MB downloaded
  Running setup.py (path:/home/frankier/.virtualenvs/pypoi/build/numpy/setup.py) egg_info for package numpy
    Running from numpy source directory.

    warning: no files found matching 'tools/py3tool.py'
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Downloading/unpacking pyamg==2.1.0 (from -r requirements.txt (line 3))
  Downloading pyamg-2.1.0.tar.gz (752kB): 752kB downloaded
  Running setup.py (path:/home/frankier/.virtualenvs/pypoi/build/pyamg/setup.py) egg_info for package pyamg
    Running from numpy source directory.
    Traceback (most recent call last):
      File "<string>", line 17, in <module>
      File "/home/frankier/.virtualenvs/pypoi/build/pyamg/setup.py", line 196, in <module>
        setup_package()
      File "/home/frankier/.virtualenvs/pypoi/build/pyamg/setup.py", line 172, in setup_package
        from numpy.distutils.core import setup
    ImportError: No module named numpy.distutils.core
    Complete output from command python setup.py egg_info:
    Running from numpy source directory.

Traceback (most recent call last):

  File "<string>", line 17, in <module>

  File "/home/frankier/.virtualenvs/pypoi/build/pyamg/setup.py", line 196, in <module>

    setup_package()

  File "/home/frankier/.virtualenvs/pypoi/build/pyamg/setup.py", line 172, in setup_package

    from numpy.distutils.core import setup

ImportError: No module named numpy.distutils.core

----------------------------------------
Cleaning up...
Command python setup.py egg_info failed with error code 1 in /home/frankier/.virtualenvs/pypoi/build/pyamg
Storing debug log for failure in /home/frankier/.pip/pip.log