pydata/pandas — pull request #1832 by gideonite (2012-09-02 16:03:16+00:00)
Title: print exception when importing pandas.lib

I was trying to install pandas and kept getting the error:

Traceback (most recent call last):
File "", line 1, in
File "/Library/Python/2.7/site-packages/pandas/__init__.py", line 16, in
raise ImportError('C extensions not built: if you installed already '
ImportError: C extensions not built: if you installed already verify that you are not importing from the source directory

I couldn't figure out what was happening until I made this change and saw from the printed out exception that I didn't have the dateutils package installed.