Move imports of django.template.engines to the top level

wagtail/wagtailadmin/tests/test_jinja2.py

@@ -2,6 +2,7 @@ from __future__ import absolute_import, unicode_literals
 
 from django.contrib.auth import get_user_model
 from django.contrib.auth.models import AnonymousUser
+from django.template import engines
 from django.test import TestCase
 
 from wagtail.wagtailcore.models import Page, PAGE_TEMPLATE_VAR, Site
@@ -10,7 +11,6 @@ from wagtail.wagtailcore.models import Page, PAGE_TEMPLATE_VAR, Site
 class TestCoreJinja(TestCase):
 
     def setUp(self):
-        from django.template import engines
         self.engine = engines['jinja2']
 
         self.user = get_user_model().objects.create_superuser(

wagtail/wagtailcore/tests/test_jinja2.py

@@ -1,5 +1,6 @@
 from __future__ import absolute_import, unicode_literals
 
+from django.template import engines
 from django.test import TestCase
 
 from wagtail.wagtailcore import __version__
@@ -9,7 +10,6 @@ from wagtail.wagtailcore.models import Page, Site
 class TestCoreJinja(TestCase):
 
     def setUp(self):
-        from django.template import engines
         self.engine = engines['jinja2']
 
     def render(self, string, context=None, request_context=True):

wagtail/wagtailcore/tests/test_streamfield.py

@@ -3,7 +3,7 @@ import json
 from django.apps import apps
 from django.test import TestCase
 from django.db import models
-from django.template import Template, Context
+from django.template import Template, Context, engines
 from django.utils.safestring import SafeText
 from django.utils.six import text_type
 
@@ -172,7 +172,6 @@ class TestStreamFieldDjangoRendering(TestStreamFieldRenderingBase):
 class TestStreamFieldJinjaRendering(TestStreamFieldRenderingBase):
     def setUp(self):
         super(TestStreamFieldJinjaRendering, self).setUp()
-        from django.template import engines
         self.engine = engines['jinja2']
 
     def render(self, string, context):

wagtail/wagtailimages/tests/test_jinja2.py

@@ -4,6 +4,7 @@ import os
 
 from django.conf import settings
 from django.core import serializers
+from django.template import engines
 from django.test import TestCase
 
 from wagtail.wagtailcore.models import Site
@@ -14,7 +15,6 @@ from .utils import get_test_image_file, Image
 class TestImagesJinja(TestCase):
 
     def setUp(self):
-        from django.template import engines
         self.engine = engines['jinja2']
 
         self.image = Image.objects.create(