def survey_answerlist_dataTable_post(r):
 current.response.s3.actions = [{'label': str(current.messages.UPDATE), '_class': 'action-btn edit', 'url': URL(c='survey', f='series', args=[r.id, 'complete', '[id]', 'update'])}]

def survey_answerlist_dataTable_post ( r ) : current . response . s3 . actions = [ { 'label' : str ( current . messages . UPDATE ) , '_class' : 'action-btn edit' , 'url' : URL ( c = 'survey' , f = 'series' , args = [ r . id , 'complete' , '[id]' , 'update' ] ) } ]
replace action buttons .