title: ImportError: cannot import name signals
body: <p>I'm using Django 1.3.0 with Python 2.7.1.
  In every test I write the following imports I get the importError above:</p>
  
  <pre>
  from django.utils import unittest
  from django.test.client import Client
  </pre>
  
  <p>The full stack trace:</p>
  
  <pre>
    File "C:\Program Files (x86)\j2ee\plugins\org.python.pydev.debug_1.6.3.2010100513\pysrc\runfiles.py", line 342, in __get_module_from_str
      mod = __import__(modname)
    File "C:/Users/benjamin/workspace/BookIt/src/BookIt/tests\basic_flow.py", line 11, in 
      from django.test.client import Client
    File "C:\Python27\lib\site-packages\django\test\__init__.py", line 5, in 
      from django.test.client import Client, RequestFactory
    File "C:\Python27\lib\site-packages\django\test\client.py", line 21, in 
      from django.test import signals
  ImportError: cannot import name signals
  ERROR: Module: basic_flow could not be imported.
  </pre>
  
  <p>Any ideas why this happening ?</p>