Quality fixes.

lms/djangoapps/courseware/tests/test_about.py

@@ -436,8 +436,8 @@ class AboutPurchaseCourseTestCase(LoginEnrollmentTestCase, SharedModuleStoreTest
             org='MITx',
             number='closed',
             display_name='Closed Course To Buy',
-            enrollment_start = tomorrow,
-            enrollment_end = nextday
+            enrollment_start=tomorrow,
+            enrollment_end=nextday
         )
 
     def setUp(self):

lms/djangoapps/courseware/tests/test_course_survey.py

@@ -13,7 +13,7 @@ from survey.models import SurveyForm, SurveyAnswer
 
 from common.test.utils import XssTestMixin
 from xmodule.modulestore.tests.factories import CourseFactory
-from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase, SharedModuleStoreTestCase
+from xmodule.modulestore.tests.django_utils import SharedModuleStoreTestCase
 from courseware.tests.helpers import LoginEnrollmentTestCase
 
 

lms/djangoapps/courseware/tests/test_credit_requirements.py

@@ -11,7 +11,7 @@ from pytz import UTC
 from django.conf import settings
 from django.core.urlresolvers import reverse
 
-from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase, SharedModuleStoreTestCase
+from xmodule.modulestore.tests.django_utils import SharedModuleStoreTestCase
 from xmodule.modulestore.tests.factories import CourseFactory
 from student.tests.factories import UserFactory, CourseEnrollmentFactory
 from util.date_utils import get_time_display, DEFAULT_SHORT_DATE_FORMAT

lms/djangoapps/courseware/tests/test_field_overrides.py

@@ -7,9 +7,7 @@ from nose.plugins.attrib import attr
 from django.test.utils import override_settings
 from xblock.field_data import DictFieldData
 from xmodule.modulestore.tests.factories import CourseFactory
-from xmodule.modulestore.tests.django_utils import (
-    ModuleStoreTestCase,
-    SharedModuleStoreTestCase)
+from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase
 
 from ..field_overrides import (
     disable_overrides,

lms/djangoapps/courseware/tests/test_grades.py

@@ -28,7 +28,7 @@ from capa.tests.response_xml_factory import MultipleChoiceResponseXMLFactory
 from student.tests.factories import UserFactory
 from student.models import CourseEnrollment
 from xmodule.modulestore.tests.factories import CourseFactory, ItemFactory
-from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase, SharedModuleStoreTestCase
+from xmodule.modulestore.tests.django_utils import SharedModuleStoreTestCase
 
 
 def _grade_with_errors(student, request, course, keep_raw_scores=False):

lms/djangoapps/courseware/tests/test_lti_integration.py

@@ -13,7 +13,7 @@ from django.core.urlresolvers import reverse
 from courseware.tests import BaseTestXmodule
 from courseware.views import get_course_lti_endpoints
 from lms.djangoapps.lms_xblock.runtime import quote_slashes
-from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase, SharedModuleStoreTestCase
+from xmodule.modulestore.tests.django_utils import SharedModuleStoreTestCase
 from xmodule.modulestore.tests.factories import CourseFactory, ItemFactory
 from xmodule.x_module import STUDENT_VIEW
 

lms/djangoapps/courseware/tests/test_microsites.py

@@ -11,7 +11,7 @@ from course_modes.models import CourseMode
 from xmodule.course_module import (
     CATALOG_VISIBILITY_CATALOG_AND_ABOUT, CATALOG_VISIBILITY_NONE)
 from xmodule.modulestore.tests.factories import CourseFactory, ItemFactory
-from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase, SharedModuleStoreTestCase
+from xmodule.modulestore.tests.django_utils import SharedModuleStoreTestCase
 
 
 @attr('shard_1')

lms/djangoapps/courseware/tests/test_middleware.py

@@ -10,7 +10,7 @@ from nose.plugins.attrib import attr
 
 import courseware.courses as courses
 from courseware.middleware import RedirectUnenrolledMiddleware
-from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase, SharedModuleStoreTestCase
+from xmodule.modulestore.tests.django_utils import SharedModuleStoreTestCase
 from xmodule.modulestore.tests.factories import CourseFactory
 
 

lms/djangoapps/courseware/tests/test_navigation.py

@@ -11,7 +11,7 @@ from django.test.utils import override_settings
 
 from courseware.tests.helpers import LoginEnrollmentTestCase
 from courseware.tests.factories import GlobalStaffFactory
-from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase, SharedModuleStoreTestCase
+from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase
 from xmodule.modulestore.tests.factories import CourseFactory, ItemFactory
 from xmodule.modulestore.django import modulestore
 

lms/djangoapps/courseware/tests/test_split_module.py

@@ -9,7 +9,7 @@ from courseware.module_render import get_module_for_descriptor
 from courseware.model_data import FieldDataCache
 from student.tests.factories import UserFactory, CourseEnrollmentFactory
 from xmodule.modulestore.tests.factories import ItemFactory, CourseFactory
-from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase, SharedModuleStoreTestCase
+from xmodule.modulestore.tests.django_utils import SharedModuleStoreTestCase
 from xmodule.partitions.partitions import Group, UserPartition
 from openedx.core.djangoapps.user_api.tests.factories import UserCourseTagFactory
 

lms/djangoapps/courseware/tests/test_submitting_problems.py

@@ -24,7 +24,7 @@ from courseware.tests.helpers import LoginEnrollmentTestCase
 from lms.djangoapps.lms_xblock.runtime import quote_slashes
 from student.tests.factories import UserFactory
 from student.models import anonymous_id_for_user
-from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase, SharedModuleStoreTestCase
+from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase
 from xmodule.modulestore.tests.factories import CourseFactory, ItemFactory
 from xmodule.partitions.partitions import Group, UserPartition
 from openedx.core.djangoapps.credit.api import (