change NotImplemented to NotImplementedError for h5netcdf autoclose=True (#1454)
change NotImplemented to NotImplementedError for h5netcdf autoclose=True (#1454)


pydata/xarray,shoyer/xarray,shoyer/xray,markelg/xray,rabernat/xray,pydata/xarray,jhamman/xarray,shoyer/xarray,xray/xray,jhamman/xarray,jcmgray/xarray,pydata/xarray,chunweiyuan/xarray,jhamman/xray,markelg/xray,jhamman/xarray,markelg/xray,rabernat/xray