AttrTree __repr__ now returns correctly for dangling nodes
AttrTree __repr__ now returns correctly for dangling nodes

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