[sentry] Privilege checker call Sentry API2 without a required parameter

[23/Feb/2017 11:15:20 -0800] navigator_api ERROR    list_sentry_privileges_by_role() takes at least 3 arguments (2 given)
Traceback (most recent call last):
  File "/opt/cloudera/parcels/CDH-5.11.0-1.cdh5.11.0.p0.308/lib/hue/desktop/libs/metadata/src/metadata/navigator_api.py", line 51, in decorator
    return view_fn(*args, **kwargs)
  File "/opt/cloudera/parcels/CDH-5.11.0-1.cdh5.11.0.p0.308/lib/hue/desktop/libs/metadata/src/metadata/navigator_api.py", line 88, in search_entities
    entities = api.search_entities(query_s, limit=limit, offset=offset, sources=sources)
  File "/opt/cloudera/parcels/CDH-5.11.0-1.cdh5.11.0.p0.308/lib/hue/desktop/libs/metadata/src/metadata/navigator_client.py", line 150, in search_entities
    response = list(islice(self._secure_results(response), limit)) # Apply Sentry perms
  File "/opt/cloudera/parcels/CDH-5.11.0-1.cdh5.11.0.p0.308/lib/hue/desktop/libs/metadata/src/metadata/navigator_client.py", line 234, in _secure_results
    checker = PrivilegeChecker(user=self.user)
  File "/opt/cloudera/parcels/CDH-5.11.0-1.cdh5.11.0.p0.308/lib/hue/desktop/libs/libsentry/src/libsentry/privilege_checker.py", line 66, in __init__
    privileges_v2 = self._get_privileges_for_user(self.api_v2)
  File "/opt/cloudera/parcels/CDH-5.11.0-1.cdh5.11.0.p0.308/lib/hue/desktop/libs/libsentry/src/libsentry/privilege_checker.py", line 125, in _get_privileges_for_user
    role_privileges = api.list_sentry_privileges_by_role(role['name'])
  File "/opt/cloudera/parcels/CDH-5.11.0-1.cdh5.11.0.p0.308/lib/hue/desktop/libs/libsentry/src/libsentry/api2.py", line 53, in decorator
    raise e
TypeError: list_sentry_privileges_by_role() takes at least 3 arguments (2 given)