':return: çšæ·çæ§å«ïŒmale/female/unknown)
:rtype: str'

@property
@check_soup('_gender')
def gender(self):

    if (self.url is None):
        return 'unknown'
    else:
        return ('female' if self.soup.find('i', class_='icon-profile-female') else 'male')
