Fix to conf.py to avoid import error
Fix to conf.py to avoid import error

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