Refs #23919 -- Replaced super(ClassName, self) with super().

django/core/mail/backends/console.py

@@ -11,7 +11,7 @@ class EmailBackend(BaseEmailBackend):
     def __init__(self, *args, **kwargs):
         self.stream = kwargs.pop('stream', sys.stdout)
         self._lock = threading.RLock()
-        super(EmailBackend, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
 
     def write_message(self, message):
         msg = message.message()

django/core/mail/backends/filebased.py

@@ -40,7 +40,7 @@ class EmailBackend(ConsoleEmailBackend):
         # Since we're using the console-based backend as a base,
         # force the stream to be None, so we don't default to stdout
         kwargs['stream'] = None
-        super(EmailBackend, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
 
     def write_message(self, message):
         self.stream.write(message.message().as_bytes() + b'\n')

django/core/mail/backends/locmem.py

@@ -15,7 +15,7 @@ class EmailBackend(BaseEmailBackend):
     The dummy outbox is accessible through the outbox instance attribute.
     """
     def __init__(self, *args, **kwargs):
-        super(EmailBackend, self).__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
         if not hasattr(mail, 'outbox'):
             mail.outbox = []
 

django/core/mail/backends/smtp.py

@@ -18,7 +18,7 @@ class EmailBackend(BaseEmailBackend):
                  use_tls=None, fail_silently=False, use_ssl=None, timeout=None,
                  ssl_keyfile=None, ssl_certfile=None,
                  **kwargs):
-        super(EmailBackend, self).__init__(fail_silently=fail_silently)
+        super().__init__(fail_silently=fail_silently)
         self.host = host or settings.EMAIL_HOST
         self.port = port or settings.EMAIL_PORT
         self.username = settings.EMAIL_HOST_USER if username is None else username

django/core/mail/message.py

@@ -429,7 +429,7 @@ class EmailMultiAlternatives(EmailMessage):
         bytestrings). The SafeMIMEText class will handle any necessary encoding
         conversions.
         """
-        super(EmailMultiAlternatives, self).__init__(
+        super().__init__(
             subject, body, from_email, to, bcc, connection, attachments,
             headers, cc, reply_to,
         )