diff --git a/lms/djangoapps/course_goals/apps.py b/lms/djangoapps/course_goals/apps.py
index 122889be64..8296753131 100644
--- a/lms/djangoapps/course_goals/apps.py
+++ b/lms/djangoapps/course_goals/apps.py
@@ -4,6 +4,8 @@ Course Goals Application Configuration
 Signal handlers are connected here.
 """
 
+from __future__ import absolute_import
+
 from django.apps import AppConfig
 
 
diff --git a/lms/djangoapps/mobile_api/admin.py b/lms/djangoapps/mobile_api/admin.py
index 3a7c5f5862..f136dccb3b 100644
--- a/lms/djangoapps/mobile_api/admin.py
+++ b/lms/djangoapps/mobile_api/admin.py
@@ -2,6 +2,8 @@
 Django admin dashboard configuration for LMS XBlock infrastructure.
 """
 
+from __future__ import absolute_import
+
 from config_models.admin import ConfigurationModelAdmin
 from django.contrib import admin
 
diff --git a/lms/djangoapps/mobile_api/context_processor.py b/lms/djangoapps/mobile_api/context_processor.py
index 32c5adf876..6d379bdf6c 100644
--- a/lms/djangoapps/mobile_api/context_processor.py
+++ b/lms/djangoapps/mobile_api/context_processor.py
@@ -2,6 +2,8 @@
 Django template context processors.
 """
 
+from __future__ import absolute_import
+
 from openedx.core.lib.mobile_utils import is_request_from_mobile_app
 
 
diff --git a/lms/djangoapps/mobile_api/decorators.py b/lms/djangoapps/mobile_api/decorators.py
index 5adda15c79..bbe18ea6b5 100644
--- a/lms/djangoapps/mobile_api/decorators.py
+++ b/lms/djangoapps/mobile_api/decorators.py
@@ -1,6 +1,8 @@
 """
 Decorators for Mobile APIs.
 """
+from __future__ import absolute_import
+
 import functools
 
 from django.http import Http404
diff --git a/lms/djangoapps/mobile_api/mobile_platform.py b/lms/djangoapps/mobile_api/mobile_platform.py
index 554efe8049..4fac4e24a0 100644
--- a/lms/djangoapps/mobile_api/mobile_platform.py
+++ b/lms/djangoapps/mobile_api/mobile_platform.py
@@ -1,16 +1,19 @@
 """
 Platform related Operations for Mobile APP
 """
+from __future__ import absolute_import
+
 import abc
 import re
 
+import six
 
-class MobilePlatform:
+
+class MobilePlatform(six.with_metaclass(abc.ABCMeta)):
     """
     MobilePlatform class creates an instance of platform based on user agent and supports platform
     related operations.
     """
-    __metaclass__ = abc.ABCMeta
     version = None
 
     def __init__(self, version):
diff --git a/lms/djangoapps/mobile_api/testutils.py b/lms/djangoapps/mobile_api/testutils.py
index 3459bdbf78..e056d5035b 100644
--- a/lms/djangoapps/mobile_api/testutils.py
+++ b/lms/djangoapps/mobile_api/testutils.py
@@ -11,14 +11,18 @@ Test utilities for mobile API tests:
 """
 # pylint: disable=no-member
 
-import ddt
+from __future__ import absolute_import
+
 import datetime
+
+import ddt
+import pytz
+import six
 from django.conf import settings
 from django.urls import reverse
 from django.utils import timezone
 from mock import patch
 from opaque_keys.edx.keys import CourseKey
-import pytz
 from rest_framework.test import APITestCase
 
 from courseware.access_response import MobileAvailabilityError, StartDateError, VisibilityError
@@ -93,7 +97,7 @@ class MobileAPITestCase(ModuleStoreTestCase, APITestCase):
         """Base implementation that returns URL for endpoint that's being tested."""
         reverse_args = reverse_args or {}
         if 'course_id' in self.REVERSE_INFO['params']:
-            reverse_args.update({'course_id': unicode(kwargs.get('course_id', self.course.id))})
+            reverse_args.update({'course_id': six.text_type(kwargs.get('course_id', self.course.id))})
         if 'username' in self.REVERSE_INFO['params']:
             reverse_args.update({'username': kwargs.get('username', self.user.username)})
         if 'api_version' in self.REVERSE_INFO['params']: