python 3 warning with .value

If you run pesummary.gw.file.read in python 3 using h5py, you get this warning:

/Users/ajw/miniconda3/envs/igwn-py37/lib/python3.7/site-packages/pesummary/core/file/formats/pesummary.py:83: H5pyDeprecationWarning: dataset.value has been deprecated. Use dataset[()] instead. mydict[key] = item.value