code: def get_user_roles(self, user):
          
          return self.service.get_user_roles(
              user, self.url_prefix, self.auth, self.session, self.session_send_opts)
docs: Get roles associated with the given user.
  
          Args:
              user (string): User name.
  
          Returns:
              (list): List of roles that user has.
  
          Raises:
              requests.HTTPError on failure.