Remove unused imports

openedx/core/djangoapps/content/course_overviews/management/commands/generate_course_overview.py

@@ -1,8 +1,8 @@
 """
 Command to load course overviews.
 """
+
 import logging
-from optparse import make_option
 
 from django.core.management.base import BaseCommand, CommandError
 from opaque_keys import InvalidKeyError

openedx/core/djangoapps/course_groups/models.py

@@ -6,7 +6,7 @@ import json
 import logging
 
 from django.contrib.auth.models import User
-from django.db import models, transaction, IntegrityError
+from django.db import models, transaction
 from util.db import outer_atomic
 from django.core.exceptions import ValidationError
 from django.db.models.signals import pre_delete

openedx/core/djangoapps/course_groups/tests/helpers.py

@@ -1,7 +1,7 @@
 """
 Helper methods for testing cohorts.
 """
-import factory
+
 from factory import post_generation, Sequence
 from factory.django import DjangoModelFactory
 import json

openedx/core/djangoapps/credit/serializers.py

@@ -5,7 +5,6 @@ import datetime
 import logging
 
 from django.conf import settings
-from opaque_keys import InvalidKeyError
 import pytz
 from rest_framework import serializers
 from rest_framework.exceptions import PermissionDenied

openedx/core/djangoapps/profile_images/views.py

@@ -19,7 +19,7 @@ from openedx.core.lib.api.authentication import (
     SessionAuthenticationAllowInactiveUser,
 )
 from openedx.core.lib.api.parsers import TypedFileUploadParser
-from openedx.core.lib.api.permissions import IsUserInUrl, IsUserInUrlOrStaff
+from openedx.core.lib.api.permissions import IsUserInUrl
 from openedx.core.lib.api.view_utils import DeveloperErrorViewMixin
 from openedx.core.djangoapps.user_api.accounts.image_helpers import get_profile_image_names, set_has_profile_image
 from .exceptions import ImageValidationError

openedx/core/djangoapps/programs/tests/test_models.py

@@ -4,7 +4,6 @@ from django.test import TestCase
 import mock
 from nose.plugins.attrib import attr
 
-from openedx.core.djangoapps.programs.models import ProgramsApiConfig
 from openedx.core.djangoapps.programs.tests.mixins import ProgramsApiConfigMixin
 
 

openedx/core/lib/tests/test_xblock_utils.py

@@ -9,7 +9,6 @@ import uuid
 
 from django.test.client import RequestFactory
 
-from courseware.models import StudentModule  # pylint: disable=import-error
 from lms.djangoapps.lms_xblock.runtime import quote_slashes
 from xblock.fragment import Fragment
 from xmodule.modulestore import ModuleStoreEnum
@@ -23,7 +22,6 @@ from openedx.core.lib.xblock_utils import (
     replace_jump_to_id_urls,
     replace_course_urls,
     replace_static_urls,
-    grade_histogram,
     sanitize_html_id
 )