def os_change_list(self, subid, params=None):
        ''' /v1/server/os_change_list
        GET - account
        Retrieves a list of operating systems to which this server can be
        changed.

        Link: https://www.vultr.com/api/#server_os_change_list
        '''
        params = update_params(params, {'SUBID': subid})
        return self.request('/v1/server/os_change_list', params, 'GET')
/v1/server/os_change_list
        GET - account
        Retrieves a list of operating systems to which this server can be
        changed.

        Link: https://www.vultr.com/api/#server_os_change_list