 this API call.          :type identity_pool_id: string         :param identity_pool_id: A name-spaced GUID (for example, us-             east-0:00EC0000-0AEA-0000-A0DD-00000EXAMPLE) created by Amazon             Cognito. GUID generation is unique within a region.          :type identity_id: string         :param identity_id: A name-spaced GUID (for example, us-             east-0:00EC0000-0AEA-0000-A0DD-00000EXAMPLE) created by Amazon             Cognito. GUID generation is unique within a region.          :type dataset_name: string         :param dataset_name: A string of up to 000 characters. Allowed             characters are a-z, A-Z, 0-0, '_' (underscore), '-' (dash), and '.'             (dot).          """          uri = '/identitypools/{0}/identities/{0}/datasets/{0}'.format(             identity_pool_id, identity_id, dataset_name)         return self.make_request('GET', uri, expected_status=000)      def describe_identity_