fdi.dataset.invalid 源代码
# -*- coding: utf-8 -*-
import logging
# create logger
logger = logging.getLogger(__name__)
#logger.debug('level %d' % (logger.getEffectiveLevel()))
[文档]class InvalidType(object):
def __repr__(self):
"""
Parameters
----------
Returns
-------
"""
return 'Invalid'
# singleton object for invalid values
INVALID = InvalidType()