Allowed construction of empty NdOverlay
Allowed construction of empty NdOverlay

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