Fixed invalid assumptions about input format in Annotation constructor
Fixed invalid assumptions about input format in Annotation constructor

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