Removed import for django <= 1.3 in query.py

django_hstore/query.py

@@ -2,24 +2,19 @@
 
 from django import VERSION
 from django.db import transaction
-from django.utils import six
 from django.db.models.query import QuerySet
+from django.db.models.query_utils import QueryWrapper
 from django.db.models.sql.constants import SINGLE
 from django.db.models.sql.datastructures import EmptyResultSet
 from django.db.models.sql.query import Query
 from django.db.models.sql.subqueries import UpdateQuery
 from django.db.models.sql.where import EmptyShortCircuit, WhereNode
+from django.utils import six
 
 from django_hstore.apps import GEODJANGO_INSTALLED
 from django_hstore.utils import get_cast_for_param, get_value_annotations
 
 
-try:
-    from django.db.models.query_utils import QueryWrapper  # django >= 1.4
-except ImportError:
-    from django.db.models.sql.where import QueryWrapper  # django <= 1.3
-
-
 def select_query(method):
     def selector(self, *args, **params):
         query = self.query.clone()