Hi ,deploy server-less application in local-stack through cloud formation template but i start notice account id for cloud formation is 12345789 but for other service it is 00000000 ,so its like cloud formation  try to deploy service in different account 
def forward_request(self, method, path, data, headers):
        req_data = None
        if method == 'POST' and path == '/':
            req_data = urlparse.parse_qs(to_str(data))
            action = req_data.get('Action')[0]
        if req_data:
            if action == 'ValidateTemplate':
                return validate_template(req_data)
        return True
    def return_response(self, method, path, data, headers, response):
        if response.status_code >= 400:
            LOG.debug('Error response from CloudFormation (%s) %s %s: %s' %
                      (response.status_code, method, path, response.content))
UPDATE_CLOUDFORMATION = ProxyListenerCloudFormation()