try to make pylint happy

dav_auth/tests/test_emails.py

@@ -9,10 +9,10 @@ from ..emails import PasswordSetEmail
 
 
 TEST_USERNAME = 'user'
-TEST_PASSWORD = u'me||ön 21ABll'
+TEST_PASSWORD = 'me||ön 21ABll'
 TEST_EMAIL = 'root@localhost'
 
-PASSWORD_EMAIL_TEMPLATE = u"""Hallo {fullname},
+PASSWORD_EMAIL_TEMPLATE = """Hallo {fullname},
 
 Benutzername: {username}
 Passwort:     {password}
@@ -23,7 +23,7 @@ URL:          {base_url}/
 
 class EmailTestCase(EmailTestMixin, TestCase):
     def setUp(self):
-        super(EmailTestCase, self).setUp()
+        super().setUp()
         model = get_user_model()
         self.user = model.objects.create_user(username=TEST_USERNAME, password=TEST_PASSWORD, email=TEST_EMAIL)
 
@@ -38,7 +38,7 @@ class EmailTestCase(EmailTestMixin, TestCase):
 
         self.assertSender(mail)
         self.assertRecipients(mail, [self.user])
-        self.assertSubject(mail, u'Zugangsdaten')
+        self.assertSubject(mail, 'Zugangsdaten')
 
         expected_body = PASSWORD_EMAIL_TEMPLATE.format(
             fullname=self.user.get_full_name(),