title: module import error in pandas
body: <p>I installed pandas module. It required the latest version of numpy, and I had the old one pip installed the pandas module which also installs all its dependencies including numpy. When I try to import pandas module in my code, I get the error below:</p>
  
  <pre><code>/Library/Python/2.6/site-packages/pytz/__init__.py:35: 
  UserWarning: Module dateutil was already imported from /System/Library/Frameworks/Python.framework/Versions/2.6/Extras/lib/python/dateutil/__init__.pyc, but /Library/Python/2.6/site-packages is being added to sys.path
  from pkg_resources import resource_stream
  Traceback (most recent call last):
  File "Python-3.py", line 10, in &lt;module&gt;
  from pandas.io.data import DataReader
  File "/Library/Python/2.6/site-packages/pandas/__init__.py", line 25, in &lt;module&gt;
  import pandas.core.config_init
  File "/Library/Python/2.6/site-packages/pandas/core/config_init.py", line 4, in &lt;module&gt;
  from pandas.core.format import detect_console_encoding
  File "/Library/Python/2.6/site-packages/pandas/core/format.py", line 25, in &lt;module&gt;
  from pandas.tseries.period import PeriodIndex
  File "/Library/Python/2.6/site-packages/pandas/tseries/period.py", line 7, in &lt;module&gt;
  import pandas.tseries.offsets as offsets
  File "/Library/Python/2.6/site-packages/pandas/tseries/offsets.py", line 3, in &lt;module&gt;
  from pandas.tseries.tools import to_datetime
  File "/Library/Python/2.6/site-packages/pandas/tseries/tools.py", line 19, in &lt;module&gt;
  dateutil.__version__ == '2.0'):  # pragma: no cover
  AttributeError: 'module' object has no attribute '__version__'
  </code></pre>
  
  <p>I'm not able to figure out why am I getting this error and how to correct it.</p>
  
  <p>Can anyone please help me with this?</p>
  
  <p>Thanks!</p>