'Poly3DCollection' object has no attribute '_facecolors2d'

I am still receiving this same error message when executing the line below.
hb_made is a hexbin PolyCollection that I am trying to convert into a
Poly3DCollection. I think this is an unresolved issue
(https://github.com/matplotlib/matplotlib/pull/4090 and

ax.add_collection3d(hb_made, zs=shotNumber.get_array(), zdir='y')


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