title: ImportError: No module named modelsinspector
body: <p>I get the following error when I do syncdb</p>
  
  <pre><code>Traceback (most recent call last):
    File "manage.py", line 11, in &lt;module&gt;
      execute_manager(settings)
    File "/usr/lib/python2.7/site-packages/django/core/management/__init__.py", line 438, in execute_manager
      utility.execute()
    File "/usr/lib/python2.7/site-packages/django/core/management/__init__.py", line 379, in execute
      self.fetch_command(subcommand).run_from_argv(self.argv)
    File "/usr/lib/python2.7/site-packages/django/core/management/base.py", line 191, in run_from_argv
      self.execute(*args, **options.__dict__)
    File "/usr/lib/python2.7/site-packages/django/core/management/base.py", line 220, in execute
      output = self.handle(*args, **options)
    File "/usr/lib/python2.7/site-packages/django/core/management/base.py", line 351, in handle
      return self.handle_noargs(**options)
    File "/usr/lib/python2.7/site-packages/django/core/management/commands/shell.py", line 18, in handle_noargs
      loaded_models = get_models()
    File "/usr/lib/python2.7/site-packages/django/db/models/loading.py", line 167, in get_models
      self._populate()
    File "/usr/lib/python2.7/site-packages/django/db/models/loading.py", line 64, in _populate
      self.load_app(app_name)
    File "/usr/lib/python2.7/site-packages/django/db/models/loading.py", line 78, in load_app
      models = import_module('.models', app_name)
    File "/usr/lib/python2.7/site-packages/django/utils/importlib.py", line 35, in import_module
      __import__(name)
        .
        .
        .
        .
      from south.modelsinspector import add_introspection_rules
  ImportError: No module named modelsinspector
  </code></pre>