Error loading MySQLdb module

Hi,

I need some help fixing the below error.  I'm using Mac OS X version 10.7.3. 

Thank you.

/Library/Frameworks/Python.framework/Versions/2.7/bin/python manage.py runserver 127.0.0.1:8000

Traceback (most recent call last):

  File "manage.py", line 10, in <module>

    execute_from_command_line(sys.argv)

  File "/Library/Python/2.7/site-packages/Django-1.4-py2.7.egg/django/core/management/__init__.py", line 443, in execute_from_command_line

    utility.execute()

  File "/Library/Python/2.7/site-packages/Django-1.4-py2.7.egg/django/core/management/__init__.py", line 382, in execute

    self.fetch_command(subcommand).run_from_argv(self.argv)

  File "/Library/Python/2.7/site-packages/Django-1.4-py2.7.egg/django/core/management/base.py", line 196, in run_from_argv

    self.execute(*args, **options.__dict__)

  File "/Library/Python/2.7/site-packages/Django-1.4-py2.7.egg/django/core/management/base.py", line 217, in execute

    translation.activate('en-us')

  File "/Library/Python/2.7/site-packages/Django-1.4-py2.7.egg/django/utils/translation/__init__.py", line 105, in activate

    return _trans.activate(language)

  File "/Library/Python/2.7/site-packages/Django-1.4-py2.7.egg/django/utils/translation/trans_real.py", line 194, in activate

    _active.value = translation(language)

  File "/Library/Python/2.7/site-packages/Django-1.4-py2.7.egg/django/utils/translation/trans_real.py", line 183, in translation

    default_translation = _fetch(settings.LANGUAGE_CODE)

  File "/Library/Python/2.7/site-packages/Django-1.4-py2.7.egg/django/utils/translation/trans_real.py", line 160, in _fetch

    app = import_module(appname)

  File "/Library/Python/2.7/site-packages/Django-1.4-py2.7.egg/django/utils/importlib.py", line 35, in import_module

    __import__(name)

  File "/Library/Python/2.7/site-packages/Django-1.4-py2.7.egg/django/contrib/admin/__init__.py", line 3, in <module>

    from django.contrib.admin.helpers import ACTION_CHECKBOX_NAME

  File "/Library/Python/2.7/site-packages/Django-1.4-py2.7.egg/django/contrib/admin/helpers.py", line 2, in <module>

    from django.contrib.admin.util import (flatten_fieldsets, lookup_field,

  File "/Library/Python/2.7/site-packages/Django-1.4-py2.7.egg/django/contrib/admin/util.py", line 1, in <module>

    from django.db import models

  File "/Library/Python/2.7/site-packages/Django-1.4-py2.7.egg/django/db/__init__.py", line 40, in <module>

    backend = load_backend(connection.settings_dict['ENGINE'])

  File "/Library/Python/2.7/site-packages/Django-1.4-py2.7.egg/django/db/__init__.py", line 34, in __getattr__

    return getattr(connections[DEFAULT_DB_ALIAS], item)

  File "/Library/Python/2.7/site-packages/Django-1.4-py2.7.egg/django/db/utils.py", line 92, in __getitem__

    backend = load_backend(db['ENGINE'])

  File "/Library/Python/2.7/site-packages/Django-1.4-py2.7.egg/django/db/utils.py", line 24, in load_backend

    return import_module('.base', backend_name)

  File "/Library/Python/2.7/site-packages/Django-1.4-py2.7.egg/django/utils/importlib.py", line 35, in import_module

    __import__(name)

  File "/Library/Python/2.7/site-packages/Django-1.4-py2.7.egg/django/db/backends/mysql/base.py", line 16, in <module>

    raise ImproperlyConfigured("Error loading MySQLdb module: %s" % e)

django.core.exceptions.ImproperlyConfigured: Error loading MySQLdb module: No module named pkg_resources