title: ImportError HDFStore requires PyTables No module named tables
body: <pre><code>import pandas as pd
  dfs = pd.HDFStore('xxxxx.h5')
  </code></pre>
  
  <p>throws this error:</p>
  
  <p><code>"ImportError: HDFStore requires PyTables, "No module named tables" problem importing"</code></p>
  
  <p>I tried to install PyTables, which Requires Cython.
  I have Cython 0.21 installed, but it is throwing an error stating that Cython should be greater than 0.13</p>
  
  <p>Here is the log that I am getting:</p>
  
  <pre><code>".. ERROR:: You need Cython 0.13 or greater to compile PyTables!
  
  ----------------------------------------
  Cleaning up...
  Command python setup.py egg_info failed with error code 1 in /private/tmp/pip_build_root/tables
  Storing debug log for failure in /Users/nikhilsahai/Library/Logs/pip.log
  Nikhils-MacBook-Pro:~ nikhilsahai$ sudo pip install cython
  Requirement already satisfied (use --upgrade to upgrade): cython in /Library/Python/2.7/site-packages/Cython-0.21-py2.7-macosx-10.9-intel.egg
  Cleaning up..."
  </code></pre>
  
  <p>Please guide me how to do solve this issue.</p>