def normalize_options(self, options):
        if 'eta' in options:
            options['eta'] = datetime.strptime(options['eta'],
                                               self.DATE_FORMAT)
        if 'countdown' in options:
            options['countdown'] = float(options['countdown'])
        if 'expires' in options:
            expires = options['expires']
            try:
                expires = float(expires)
            except __HOLE__:
                expires = datetime.strptime(expires, self.DATE_FORMAT)
            options['expires'] = expires
dataset/ETHPy150Open mher/flower/flower/api/tasks.py/BaseTaskHandler.normalize_options