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 
if not isinstance(s, str):
            s = json.dumps(s)
        return base64.b64decode(s)
def render_velocity_template(template, context, as_json=False):
    import airspeed
    t = airspeed.Template(template)
    variables = {
        'input': VelocityInput(context),
        'util': VelocityUtil()
    }
    replaced = t.merge(variables)
    if as_json:
        replaced = json.loads(replaced)
    return replaced
def check_valid_region(headers):
    """ Check whether a valid region is provided, and if not then raise an Exception. """
    auth_header = headers.get('Authorization')
    if not auth_header:
        raise Exception('Unable to find "Authorization" header in request')
    replaced = re.sub(r'.*Credential=([^,]+),.*', r'\1', auth_header)
    if auth_header == replaced:
        raise Exception('Unable to find "Credential" section in "Authorization" header')
    
    
    parts = replaced.split('/')
    region = parts[2]
    if region not in config.VALID_REGIONS:
        raise Exception('Invalid region specified in "Authorization" header: "%s"' % region)
def get_s3_client():