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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:

def to_modify(self, uid):
        '''
        Try to modify the page.
        '''

        kwd = {
            'pager': '',

        }
        self.render('wiki_page/page_edit.html',
                    postinfo=MWiki.get_by_uid(uid),
                    kwd=kwd,
                    cfg=CMS_CFG,
                    userinfo=self.userinfo)