try to make pylint happy

dav_base/emails.py

@@ -9,8 +9,8 @@ app_config = apps.get_containing_app_config(__package__)
 logger = logging.getLogger(__name__)
 
 
-class AbstractMail(object):
-    _subject = u''
+class AbstractMail:  # pylint: disable=too-few-public-methods
+    _subject = ''
     _template_name = None
 
     def _get_sender(self):
@@ -20,7 +20,7 @@ class AbstractMail(object):
         if subject_fmt is None:
             subject_fmt = self._subject
         if app_config.settings.email_subject_prefix:
-            subject_fmt = u'%s %s' % (app_config.settings.email_subject_prefix, subject_fmt)
+            subject_fmt = '%s %s' % (app_config.settings.email_subject_prefix, subject_fmt)
         subject = subject_fmt.format(**kwargs)
         return subject
 
@@ -57,7 +57,7 @@ class AbstractMail(object):
 
         email = EmailMessage(subject=subject, body=body, from_email=sender, to=recipients, reply_to=reply_to)
         if fail_silently:
-            logger.info(u'Fake sending %s to %s', self.__class__.__name__, recipients)
+            logger.info('Fake sending %s to %s', self.__class__.__name__, recipients)
         else:
-            logger.info(u'Send %s to %s', self.__class__.__name__, recipients)
+            logger.info('Send %s to %s', self.__class__.__name__, recipients)
         email.send(fail_silently=fail_silently)