Fixed incompatibility with Python 3 in SaveOptions
Fixed incompatibility with Python 3 in SaveOptions

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