title: Pandas import error
body: <p>I tried installing pandas using <code>easy_install</code> and it claimed that it successfully installed the pandas package in my Python Directory.</p>
  
  <p>I switch to IDLE and try <code>import pandas</code> and it throws me the following error - </p>
  
  <p><code>
  Traceback (most recent call last):
    File "&lt;pyshell#0&gt;", line 1, in &lt;module&gt;
      import pandas
    File "C:\Python27\lib\site-packages\pandas-0.12.0-py2.7-win32.egg\pandas\__init__.py", line 6, in &lt;module&gt;
      from . import hashtable, tslib, lib
    File "numpy.pxd", line 157, in init pandas.hashtable (pandas\hashtable.c:20282)
  ValueError: numpy.dtype has the wrong size, try recompiling
  </code></p>
  
  <p>Please help me diagnose the error.</p>
  
  <p>FYI: I have already installed the <code>numpy</code> package</p>