NotebookArchive.export_success now set in a safer manner
NotebookArchive.export_success now set in a safer manner

basnijholt/holoviews,mjabri/holoviews,vascotenner/holoviews,mjabri/holoviews,ioam/holoviews,ioam/holoviews,mjabri/holoviews,ioam/holoviews,vascotenner/holoviews,basnijholt/holoviews,basnijholt/holoviews,vascotenner/holoviews