diff --git a/openedx/features/announcements/apps.py b/openedx/features/announcements/apps.py
index 6b410ff0f9..4bf964cae5 100644
--- a/openedx/features/announcements/apps.py
+++ b/openedx/features/announcements/apps.py
@@ -13,20 +13,20 @@ class AnnouncementsConfig(AppConfig):
     """
     Application Configuration for Announcements
     """
-    name = u'openedx.features.announcements'
+    name = 'openedx.features.announcements'
 
     plugin_app = {
         PluginURLs.CONFIG: {
             ProjectType.LMS: {
-                PluginURLs.NAMESPACE: u'announcements',
-                PluginURLs.REGEX: u'^announcements/',
-                PluginURLs.RELATIVE_PATH: u'urls',
+                PluginURLs.NAMESPACE: 'announcements',
+                PluginURLs.REGEX: '^announcements/',
+                PluginURLs.RELATIVE_PATH: 'urls',
             }
         },
         PluginSettings.CONFIG: {
             ProjectType.LMS: {
-                SettingsType.COMMON: {PluginSettings.RELATIVE_PATH: u'settings.common'},
-                SettingsType.TEST: {PluginSettings.RELATIVE_PATH: u'settings.test'},
+                SettingsType.COMMON: {PluginSettings.RELATIVE_PATH: 'settings.common'},
+                SettingsType.TEST: {PluginSettings.RELATIVE_PATH: 'settings.test'},
             }
         }
     }
diff --git a/openedx/features/announcements/migrations/0001_initial.py b/openedx/features/announcements/migrations/0001_initial.py
index 79b46ba04b..c959b63490 100644
--- a/openedx/features/announcements/migrations/0001_initial.py
+++ b/openedx/features/announcements/migrations/0001_initial.py
@@ -1,6 +1,3 @@
-# -*- coding: utf-8 -*-
-
-
 from django.db import migrations, models
 
 
@@ -14,7 +11,7 @@ class Migration(migrations.Migration):
             name='Announcement',
             fields=[
                 ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
-                ('content', models.CharField(default=u'lorem ipsum', max_length=1000)),
+                ('content', models.CharField(default='lorem ipsum', max_length=1000)),
                 ('active', models.BooleanField(default=True)),
             ],
         ),
diff --git a/openedx/features/announcements/models.py b/openedx/features/announcements/models.py
index 661b50d854..71aab7963a 100644
--- a/openedx/features/announcements/models.py
+++ b/openedx/features/announcements/models.py
@@ -10,10 +10,10 @@ from django.utils.encoding import python_2_unicode_compatible
 @python_2_unicode_compatible
 class Announcement(models.Model):
     """Site-wide announcements to be displayed on the dashboard"""
-    class Meta(object):
+    class Meta:
         app_label = 'announcements'
 
-    content = models.CharField(max_length=1000, null=False, default=u"lorem ipsum")
+    content = models.CharField(max_length=1000, null=False, default="lorem ipsum")
     active = models.BooleanField(default=True)
 
     def __str__(self):
diff --git a/openedx/features/announcements/tests/test_announcements.py b/openedx/features/announcements/tests/test_announcements.py
index c50ad80422..da1121e56e 100644
--- a/openedx/features/announcements/tests/test_announcements.py
+++ b/openedx/features/announcements/tests/test_announcements.py
@@ -5,7 +5,7 @@ Unit tests for the announcements feature.
 
 import json
 import unittest
-from mock import patch
+from unittest.mock import patch
 
 from django.conf import settings
 from django.test import TestCase
@@ -13,7 +13,6 @@ from django.test.client import Client
 from django.urls import reverse
 
 from common.djangoapps.student.tests.factories import AdminFactory
-
 from openedx.features.announcements.models import Announcement
 
 TEST_ANNOUNCEMENTS = [
@@ -33,14 +32,14 @@ class TestGlobalAnnouncements(TestCase):
 
     @classmethod
     def setUpTestData(cls):
-        super(TestGlobalAnnouncements, cls).setUpTestData()
+        super().setUpTestData()
         Announcement.objects.bulk_create([
             Announcement(content=content, active=active)
             for content, active in TEST_ANNOUNCEMENTS
         ])
 
     def setUp(self):
-        super(TestGlobalAnnouncements, self).setUp()  # lint-amnesty, pylint: disable=super-with-arguments
+        super().setUp()
         self.client = Client()
         self.admin = AdminFactory.create(
             email='staff@edx.org',