def delete_subscription(self, subscription_id):
self._validate_uuid(subscription_id)<EOL>url = "<STR_LIT>".format(subscription_id)<EOL>response = NWS_DAO().deleteURL(url, self._write_headers())<EOL>if response.status != <NUM_LIT>:<EOL><INDENT>raise DataFailureException(url, response.status, response.data)<EOL><DEDENT>return response.status<EOL>
Deleting an existing subscription
:param subscription_id: is the subscription the client wants to delete