human
Solve the following python programming problem given the following code:
@ login_required 
@ no_cache 
def top_requesters(request) : 
    def row_formatter(input) : 
        'Yield formatted rows' 
        for cc in input : 
            row = [] 
            url = reverse ('requester_details', kwargs = { 
                'requester_id' : cc [0], 
}) 
            row.append (('<a href="%s">%s</a>' % (url, cc [1]))) 
            row.append ('<a href="{0}/mturk/searchbar?requesterId={1}" target="_mturk">{1}</a> (<a href="http://feed.crowdsauced.com/r/req/{1}">RSS</a>)'.format (settings.MTURK_PAGE, cc [0])) 
            row.extend (cc [2 : 6]) 
            url = reverse ('admin-toggle-requester-status', args = (cc [0],)) 
            row.append (('<a href="%s">%s</a>' % (url, ((cc [6] and 'public') or 'private')))) 
            (yield row) 
date_30_days_before = (datetime.date.today () - datetime.timedelta (days = 30)) 
    data = row_formatter (query_to_tuples ('
            SELECT
                h.requester_id,
                h.requester_name,
                count(*) as "projects",
                sum(h.hits_available) as "hits",
                sum(h.hits_available*reward) as "reward",
                max(h.occurrence_date) as "last_posted",
                coalesce(p.is_public, true) as is_public
            FROM
                main_hitgroupfirstoccurences h
                    LEFT JOIN main_requesterprofile p ON h.requester_id = p.requester_id
            WHERE
                h.occurrence_date > %s
            GROUP BY
                h.requester_id, h.requester_name, p.is_public
            ORDER BY
                sum(h.hits_available*reward)
                DESC
            LIMIT 1000;
            ', date_30_days_before)) 
    columns = (('string', 'Requester ID'), ('string', 'Requester'), ('number', '#Task'), ('number', '#HITs'), ('number', 'Rewards'), ('datetime', 'Last Posted On'), ('string', 'Status')) 
    ctx = { 
        'data' : data, 
        'columns' : columns, 
        'title' : 'Top-1000 Recent Requesters', 
} 
    return direct_to_template (request,...

    
    

    Fix the buggy line: return direct_to_template (request, 'main/graphs/table.html', row_formatter)
assistant
#Here is Python program to fix the buggy line: return direct_to_template (request, 'main/graphs/table.

return direct_to_template (request, 'main/graphs/table.html', ctx)