Eliminated outdated use of __getitem__ on plot instances
Eliminated outdated use of __getitem__ on plot instances

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