self._headers['Accept'] = 'application/json'
self._headers['Content-Type'] = 'application/yaml'
http_header = ['{}: {}'.format(key,val)
- for (key,val) in self._headers.items()]
+ for (key,val) in list(self._headers.items())]
self._http_client.set_http_header(http_header)
token = self.get_token()