title: python pandas installation issues
body: <p>I have tried installing from </p>
  
  <ol>
  <li>source (<code>python setup.py install</code> into the extracted tar ball dir)</li>
  <li>using <code>pip</code></li>
  <li>using <code>easy_install</code> but nothing seems to work...I have downloaded and upgraded xcode, installed command-line tools..</li>
  </ol>
  
  <p>I cloned the github repository for pandas 
  
  <pre><code>cd ../pandas
  python setup.py install 
  running install
  running bdist_egg
  running egg_info
  writing requirements to pandas.egg-info/requires.txt
  writing pandas.egg-info/PKG-INFO
  writing top-level names to pandas.egg-info/top_level.txt
  writing dependency_links to pandas.egg-info/dependency_links.txt
  reading manifest file 'pandas.egg-info/SOURCES.txt'
  reading manifest template 'MANIFEST.in'
  warning: no files found matching 'setupegg.py'
  no previously-included directories found matching 'doc/build'
  warning: no previously-included files matching '*.so' found anywhere in distribution
  warning: no previously-included files matching '*.pyd' found anywhere in distribution
  warning: no previously-included files matching '*.pyc' found anywhere in distribution
  warning: no previously-included files matching '.DS_Store' found anywhere in distribution
  writing manifest file 'pandas.egg-info/SOURCES.txt'
  installing library code to build/bdist.macosx-10.6-intel/egg
  running install_lib
  running build_py
  copying pandas/version.py -&gt; build/lib.macosx-10.6-intel-2.7/pandas
  running build_ext
  **gcc-4.2 not found, using clang instead**
  building 'pandas.index' extension
  clang -fno-strict-aliasing -fno-common -dynamic -arch i386 -arch x86_64 -g -O2 -DNDEBUG -g -O3 -I/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/numpy/core/include -Ipandas/src/klib -Ipandas/src -I/Library/Frameworks/Python.framework/Versions/2.7/include/python2.7 -c pandas/index.c -o build/temp.macosx-10.6-intel-2.7/pandas/index.o
  In file included from pandas/index.c:260:
  In file included from pandas/src/klib/khash_python.h:3:
  pandas/src/klib/khash.h:573:1: warning: expression result unused [-Wunused-value]
  KHASH_MAP_INIT_STR(str, size_t)
  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  pandas/src/klib/khash.h:565:2: note: expanded from macro 'KHASH_MAP_INIT_STR'
      KHASH_INIT(name, kh_cstr_t, khval_t, 1, kh_str_hash_func, kh_str_hash_equal)
      ^
  </code></pre>
  
  <p>---more output like that...and in the end</p>
  
  <pre><code>Installed /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-      packages/pandas-0.10.1.dev_c934e02-py2.7-macosx-10.6-intel.egg
  Processing dependencies for pandas==0.10.1.dev-c934e02
  Searching for pytz
  Reading http://pypi.python.org/simple/pytz/
  Reading http://pytz.sourceforge.net
  Reading http://sourceforge.net/project/showfiles.php?group_id=79122
  Reading http://www.stuartbishop.net/Software/pytz
  Reading http://sourceforge.net/projects/pytz/
  Best match: pytz 2012h
  Downloading http://pypi.python.org/packages/2.7/p/pytz/pytz-2012h-py2.7.egg#md5=4258fcfc023e9ff0057405d935fc6e1d
  Processing pytz-2012h-py2.7.egg
  creating /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pytz-2012h-py2.7.egg
  Extracting pytz-2012h-py2.7.egg to /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages
  Adding pytz 2012h to easy-install.pth file
  
  Installed /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pytz-2012h-py2.7.egg
  -----
  Installed /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/six-1.2.0-py2.7.egg
  Searching for numpy==1.6.2
  Best match: numpy 1.6.2
  Adding numpy 1.6.2 to easy-install.pth file
  
  Using /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages
  Finished processing dependencies for pandas==0.10.1.dev-c934e02
  
  ipython
  
  Python 2.7.3 (v2.7.3:70274d53c1dd, Apr  9 2012, 20:52:43) 
  Type "copyright", "credits" or "license" for more information.
  
  IPython 0.14.dev -- An enhanced Interactive Python.
  ?         -&gt; Introduction and overview of IPython's features.
  %quickref -&gt; Quick reference.
  help      -&gt; Python's own help system.
  object?   -&gt; Details about 'object', use 'object??' for extra details.
  
  In [1]: import pandas
  </code></pre>
  
  <p>seems to work without issues..</p>
  
  <p>when i use easy_install to install pandas, the on-screen output seems to suggest that it worked but on loading, python is not able to find the library</p>
  
  <pre><code>sudo easy_install pandas
  Searching for pandas
  Best match: pandas 0.10.1.dev-c934e02
  Processing pandas-0.10.1.dev_c934e02-py2.7-macosx-10.8-intel.egg
  pandas 0.10.1.dev-c934e02 is already the active version in easy-install.pth
  
  Using /usr/local/lib/python2.7/site-packages/pandas-0.10.1.dev_c934e02-py2.7-macosx-10.8-intel.egg
  Processing dependencies for pandas
  Finished processing dependencies for pandas
  
  dekumar-mn:ipython dekumar$ python
  Python 2.7.3 (v2.7.3:70274d53c1dd, Apr  9 2012, 20:52:43) 
  [GCC 4.2.1 (Apple Inc. build 5666) (dot 3)] on darwin
  Type "help", "copyright", "credits" or "license" for more information.
  
  &gt;&gt;&gt; import pandas as pd
  Traceback (most recent call last):
  File "&lt;stdin&gt;", line 1, in &lt;module&gt;
  ImportError: No module named pandas
  </code></pre>