Hi starting GSAS-II I have got this message HDF5 Reader skipped because h5py library is not installed is it a problem? How can I load h5py library? Best Davide -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mailman.aps.anl.gov/pipermail/gsas-ii/attachments/20161025/cd2a707a/attachment.html>