mohankumar554 -3 Junior Poster in Training

hi,
i am developing the django web framework on mac os. i have installed and configure the django. but i am getting this error.

Request Method: GET
Request URL: http://localhost:1221/polls/
Exception Type: AttributeError
Exception Value:
'AdminSite' object has no attribute 'urls'
Exception Location: /Applications/Django-1.0.2-final/mysite/../mysite/urls.py in <module>, line 21
Python Executable: /Library/Frameworks/Python.framework/Versions/2.5/Resources/Python.app/Contents/MacOS/Python
Python Version: 2.5.1


so how to overcome this error