def add_attachment(self, attachment):
        """Add an attachment to this email

        :param attachment: Add an attachment to this email
        :type attachment: Attachment
        """
        self._attachments = self._ensure_append(attachment, self._attachments)
def add_attachment ( self , attachment ) : self . _attachments = self . _ensure_append ( attachment , self . _attachments )
Add an attachment to this email

        :param attachment: Add an attachment to this email
        :type attachment: Attachment