[soc2010/query-refactor] Added a ListField, currently only works on MongoDB.

git-svn-id: http://code.djangoproject.com/svn/django/branches/soc2010/query-refactor@13441 bcc190cf-cafb-0310-a4f2-bffc1f526a37

1 files changed, 5 insertions, 2 deletions

diff --git a/django/db/models/__init__.py b/django/db/models/__init__.py
index c28bce86bf..0736648a7b 100644
--- a/django/db/models/__init__.py
+++ b/django/db/models/__init__.py
@@ -1,7 +1,8 @@
 from django.conf import settings
 from django.core.exceptions import ObjectDoesNotExist, ImproperlyConfigured
 from django.db import connection
-from django.db.models.loading import get_apps, get_app, get_models, get_model, register_models
+from django.db.models.loading import (get_apps, get_app, get_models, get_model,
+    register_models)
 from django.db.models.query import Q
 from django.db.models.expressions import F
 from django.db.models.manager import Manager
@@ -10,7 +11,9 @@ from django.db.models.aggregates import *
 from django.db.models.fields import *
 from django.db.models.fields.subclassing import SubfieldBase
 from django.db.models.fields.files import FileField, ImageField
-from django.db.models.fields.related import ForeignKey, OneToOneField, ManyToManyField, ManyToOneRel, ManyToManyRel, OneToOneRel
+from django.db.models.fields.related import (ForeignKey, OneToOneField,
+    ManyToManyField, ManyToOneRel, ManyToManyRel, OneToOneRel)
+from django.db.models.fields.structures import ListField
 from django.db.models import signals
 
 # Admin stages.