@receiver(post_save, sender=Node, dispatch_uid='<STR_LIT>')<EOL>def node_created_handler(sender, **kwargs):
if kwargs['<STR_LIT>']:<EOL><INDENT>obj = kwargs['<STR_LIT>']<EOL>queryset = exclude_owner_of_node(obj)<EOL>create_notifications.delay(**{<EOL>"<STR_LIT>": queryset,<EOL>"<STR_LIT>": Notification,<EOL>"<STR_LIT>": "<STR_LIT>",<EOL>"<STR_LIT>": obj<EOL>})<EOL><DEDENT>
send notification when a new node is created according to users's settings