[1.10.x] Added Prefetch import to first use in QuerySet docs.

Backport of 3be2268992767d203159818c5353f959360808a7 from master

1 files changed, 2 insertions, 0 deletions

diff --git a/docs/ref/models/querysets.txt b/docs/ref/models/querysets.txt
index b6f35bb12d..7e2dc7abca 100644
--- a/docs/ref/models/querysets.txt
+++ b/docs/ref/models/querysets.txt
@@ -1044,6 +1044,7 @@ the prefetch operation.
 In its simplest form ``Prefetch`` is equivalent to the traditional string based
 lookups:
 
+    >>> from django.db.models import Prefetch
     >>> Restaurant.objects.prefetch_related(Prefetch('pizzas__toppings'))
 
 You can provide a custom queryset with the optional ``queryset`` argument.
@@ -3098,6 +3099,7 @@ The ``lookup`` argument describes the relations to follow and works the same
 as the string based lookups passed to
 :meth:`~django.db.models.query.QuerySet.prefetch_related()`. For example:
 
+    >>> from django.db.models import Prefetch
     >>> Question.objects.prefetch_related(Prefetch('choice_set')).get().choice_set.all()
     <QuerySet [<Choice: Not much>, <Choice: The sky>, <Choice: Just hacking again>]>
     # This will only execute two queries regardless of the number of Question