LicensingApi.get_counted_feature_stats always returns None #4

iimport cyperf
from cyperf.models.async_operation_response import AsyncOperationResponse
from cyperf.rest import ApiException
from pprint import pprint

# Defining the host is optional and defaults to http://localhost
# See configuration.py for a list of all supported configuration parameters.
configuration = cyperf.Configuration(
    host = "https://url_here",
    username="user",
    password="pass",
    refresh_token=None
)
configuration.verify_ssl = False

with cyperf.ApiClient(configuration) as api_client:
    api_instance = cyperf.LicensingApi(api_client)
    try:
        api_response = api_instance.get_counted_feature_stats()
        print("The response of LicensingApi->get_counted_feature_stats:\n")
        pprint(api_response)
    except Exception as e:
        print("Exception when calling LicensingApi->get_counted_feature_stats: %s\n" % e)