Workaround for AttributeError (#4969)
Workaround for AttributeError (#4969)

* Workaround for AttributeError

See #4968

* Update holoviews/plotting/mpl/plot.py

Co-authored-by: Philipp Rudiger <647b64bc477253b3b1544a88c240fc8e970aaac7@anaconda.com>
ioam/holoviews,ioam/holoviews,ioam/holoviews