问题描述，报错如下：/home/zhongjia/anaconda3/lib/python3.6/site-packages/h5py/__init__.py:36: FutureWarning: Conversion of the second argument of issubdtype from `float` to `np.floating` is deprecated. In future, it will be treated as `np.float64 == np.dtype(float).type`.
from ._conv import register_converters as _register_converters
from ._conv import register_converters as _register_converters
可以参考网站：https://stackoverflow.com/questions/48340392/futurewarning-conversion-of-the-second-argument-of-issubdtype-from-float-to
