Returns string representation of a social account. Includes the name
        of the user.

def to_str(self):
        '''
        Returns string representation of a social account. Includes the name
        of the user.
        '''
        dflt = super(DataportenAccount, self).to_str()
        return '%s (%s)' % (
            self.account.extra_data.get('name', ''),
            dflt,
        )