testing.py 文件源码

def _incompat_bottleneck_version(method):
    """ skip if we have bottleneck installed
    and its >= 1.0
    as we don't match the nansum/nanprod behavior for all-nan
    ops, see GH9422
    """
    if method not in ['sum','prod']:
        return False
    try:
        import bottleneck as bn
        return bn.__version__ >= LooseVersion('1.0')
    except ImportError:
        return False