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 
import uuid
import logging
from requests.models import Response
from six.moves.urllib import parse as urlparse
from localstack.utils.common import to_str
from localstack.utils.cloudformation import template_deployer
from localstack.services.generic_proxy import ProxyListener
XMLNS_CLOUDFORMATION = 'http://cloudformation.amazonaws.com/doc/2010-05-15/'
LOG = logging.getLogger(__name__)
def error_response(message, code=400, error_type='ValidationError'):
    response = Response()
    response.status_code = code
    response.headers['x-amzn-errortype'] = error_type
    response._content = """<ErrorResponse xmlns="%s">
          <Error>
            <Type>Sender</Type>
            <Code>%s</Code>
            <Message>%s</Message>
          </Error>
          <RequestId>%s</RequestId>
        </ErrorResponse>""" % (XMLNS_CLOUDFORMATION, error_type, message, uuid.uuid4())
    return response
def make_response(operation_name, content='', code=200):