title: Cannot import correct version of numpy on OS X Mavericks
body: <p>I have upgraded from Mountain Lion to Mavericks ande also updated Macports and its outdated packages. I have installed numpy 1.7, but the problem is the one used by python is still numpy 1.6. The following are some information about my system.</p>
  
  <p><code>&gt;&gt; python -c 'import numpy; print numpy.__version__'</code> gives</p>
  
  <pre><code>1.6.2
  </code></pre>
  
  <p>which shows the active numpy version is 1.6.2</p>
  
  <p><code>&gt;&gt; port installed | grep numpy</code> gives</p>
  
  <pre><code>py27-numpy @1.7.1_0 (active)
  </code></pre>
  
  <p>which shows the active numpy version is 1.7.1_0</p>
  
  <p><code>&gt;&gt; port installed | grep python</code> gives </p>
  
  <pre><code>gnome-doc-utils @0.20.10_0+python27 (active)
  gtk-doc @1.18_0+python27 (active)
  ipython_select @0.3_1 (active)
  opencv @2.4.6.1_2+python27 (active)
  py27-ipython @0.13.2_0+notebook+parallel+scientific
  py27-ipython @1.1.0_0+scientific
  py27-ipython @1.1.0_0+notebook+parallel+scientific (active)
  py27-wxpython-3.0 @2.9.5.0_0 (active)
  py27-wxpython-devel @2.9.4.0_0
  python24 @2.4.6_10 (active)
  python27 @2.7.5_0
  python27 @2.7.5_1 (active)
  python_select @0.3_2
  python_select @0.3_3 (active)
  swig-python @2.0.9_0
  swig-python @2.0.10_0 (active)
  xorg-libxcb @1.9.1_0+python27 (active)
  xorg-xcb-proto @1.8_0+python27 (active)
  </code></pre>
  
  <p>which shows, the active python version is python27.</p>
  
  <p>Also, <code>port select python</code> gives</p>
  
  <pre><code>Available versions for python:
      none
      python24
      python25-apple
      python26-apple
      python27
      python27-apple (active)
  </code></pre>