Backend can return None

[jsvaughan]

django_email_multibackend/backends.py", line 126, in send_messages
send_count += backend.send_messages(email_messages)
TypeError: unsupported operand type(s) for +=: 'int' and 'NoneType'

[tbarbugli]

what version of Django are you running?

[jsvaughan]

1.4

[jsvaughan]

def send_messages(self, email_messages):
    """
    Sends one or more EmailMessage objects and returns the number of email
    messages sent.
    """
    if not email_messages:
        return
    self._lock.acquire()
    try:
        new_conn_created = self.open()
        if not self.connection:
            # We failed silently on open().
            # Trying to send would be pointless.
            return
        num_sent = 0
        for message in email_messages:
            sent = self._send(message)
            if sent:
                num_sent += 1
        if new_conn_created:
            self.close()
    finally:
        self._lock.release()
    return num_sent