def call(vim_id, tenant_id, res, method, data=''):
- if data and not isinstance(data, (str, unicode)):
+ if data and not isinstance(data, str):
data = json.JSONEncoder().encode(data)
url_fmt = "{base_url}/{vim_id}{tenant_id}/{res}"
url = url_fmt.format(base_url=VIM_DRIVER_BASE_URL,