Get facts data for the assessment
        :param assessment: string
        :param options: dict

def get_facts(self, assessment, options):
        """
        Get facts data for the assessment
        :param assessment: string
        :param options: dict
        """

        response_format=None
        if options and 'format' in options and options['format'] is not None:
            response_format = options['format']
            options['format'] = None

        url = '/assessment/' + str(assessment) + '/facts?' + urllib.parse.urlencode(options)
        response = self.http.downstream(url, response_format)
        return response