Attribute access for OptionGroups no longer duplicates __getitem__
Attribute access for OptionGroups no longer duplicates __getitem__

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