Fixed missing import needed to run tests/testoptions.py as standalone test
Fixed missing import needed to run tests/testoptions.py as standalone test

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