diff --git a/openedx/core/djangoapps/credentials/management/commands/notify_credentials.py b/openedx/core/djangoapps/credentials/management/commands/notify_credentials.py
index 4ba33f252b..c3a5f5b736 100644
--- a/openedx/core/djangoapps/credentials/management/commands/notify_credentials.py
+++ b/openedx/core/djangoapps/credentials/management/commands/notify_credentials.py
@@ -9,11 +9,12 @@ This management command will manually trigger the receivers we care about.
 (We don't want to trigger all receivers for these signals, since these are busy
 signals.)
 """
-from __future__ import print_function, division
+from __future__ import absolute_import, division, print_function
+
 import logging
 import math
-import time
 import sys
+import time
 
 import dateutil.parser
 from django.contrib.auth.models import User
@@ -21,6 +22,7 @@ from django.core.management.base import BaseCommand, CommandError
 from opaque_keys import InvalidKeyError
 from opaque_keys.edx.keys import CourseKey
 from pytz import UTC
+from six.moves import range
 
 from lms.djangoapps.certificates.api import get_recently_modified_certificates
 from lms.djangoapps.grades.api import get_recently_modified_grades
@@ -29,7 +31,6 @@ from openedx.core.djangoapps.credentials.signals import handle_cert_change, send
 from openedx.core.djangoapps.programs.signals import handle_course_cert_changed
 from openedx.core.djangoapps.site_configuration.models import SiteConfiguration
 
-
 log = logging.getLogger(__name__)
 
 
diff --git a/openedx/core/djangoapps/credentials/tasks/v1/tasks.py b/openedx/core/djangoapps/credentials/tasks/v1/tasks.py
index ea11d0be50..b01f426b8e 100644
--- a/openedx/core/djangoapps/credentials/tasks/v1/tasks.py
+++ b/openedx/core/djangoapps/credentials/tasks/v1/tasks.py
@@ -1,6 +1,8 @@
 """
 This file contains celery tasks for credentials-related functionality.
 """
+from __future__ import absolute_import
+
 from celery import task
 from celery.utils.log import get_task_logger
 from django.conf import settings
@@ -9,7 +11,6 @@ from opaque_keys.edx.keys import CourseKey
 
 from openedx.core.djangoapps.credentials.utils import get_credentials_api_client
 
-
 logger = get_task_logger(__name__)
 
 # Under cms the following setting is not defined, leading to errors during tests.