title: Django: cannot import name formset_factory
body: <p>I have trouble importing formset_factory from django.</p>
  
  <p>Here's the traceback:</p>
  
  <pre><code>from django.forms import formset_factory
  
  
  Environment:
  
  
  Request Method: GET
  Request URL: http://localhost:8000/forma/
  
  Django Version: 1.4.1
  Python Version: 2.7.3
  Installed Applications:
  ['debug_toolbar',
   'django_extensions',
   'gunicorn',
   'django.contrib.auth',
   'django.contrib.contenttypes',
   'django.contrib.sessions',
   'django.contrib.sites',
   'django.contrib.messages',
   'django.contrib.staticfiles',
   'internal',
   'internal.customers',
   'internal.customers.natural',
   'internal.customers.entity',
   'internal.farmsteads',
   'internal.photos',
   'internal.offers',
   'internal.orders',
   'internal.places',
   'internal.statuses',
   'internal.extra_information',
   'internal.properties',
   'internal.calendar',
   'internal.newsletters',
   'aemdyutils',
   'tinymce']
  Installed Middleware:
  ('debug_toolbar.middleware.DebugToolbarMiddleware',
   'django.middleware.common.CommonMiddleware',
   'django.contrib.sessions.middleware.SessionMiddleware',
   'django.middleware.csrf.CsrfViewMiddleware',
   'django.contrib.auth.middleware.AuthenticationMiddleware',
   'django.contrib.messages.middleware.MessageMiddleware',
   'django.middleware.clickjacking.XFrameOptionsMiddleware')
  
  
  Traceback:
  File "/usr/local/lib/python2.7/dist-packages/django/core/handlers/base.py" in get_response
    101.                             request.path_info)
  File "/usr/local/lib/python2.7/dist-packages/django/core/urlresolvers.py" in resolve
    300.                     sub_match = pattern.resolve(new_path)
  File "/usr/local/lib/python2.7/dist-packages/django/core/urlresolvers.py" in resolve
    209.             return ResolverMatch(self.callback, args, kwargs, self.name)
  File "/usr/local/lib/python2.7/dist-packages/django/core/urlresolvers.py" in callback
    216.         self._callback = get_callable(self._callback_str)
  File "/usr/local/lib/python2.7/dist-packages/django/utils/functional.py" in wrapper
    27.         result = func(*args)
  File "/usr/local/lib/python2.7/dist-packages/django/core/urlresolvers.py" in get_callable
    92.                 lookup_view = getattr(import_module(mod_name), func_name)
  File "/usr/local/lib/python2.7/dist-packages/django/utils/importlib.py" in import_module
    35.     __import__(name)
  File "/home/aemdy/projects/rezervavau_v2/internal/orders/views.py" in &lt;module&gt;
    3. from django.forms import formset_factory
  
  Exception Type: ImportError at /forma/
  Exception Value: cannot import name formset_factory
  </code></pre>