data = json.JSONEncoder().encode(data)
url_fmt = "{base_url}/{vim_id}{tenant_id}/{res}"
url = url_fmt.format(base_url=VIM_DRIVER_BASE_URL,
data = json.JSONEncoder().encode(data)
url_fmt = "{base_url}/{vim_id}{tenant_id}/{res}"
url = url_fmt.format(base_url=VIM_DRIVER_BASE_URL,