In 2d the following code works fine
================================================
a = animate([point([k,k^2], pointsize=50, rgbcolor='red') for k in
srange(-1,2,0.5)], xmin=-2, xmax=2, ymin=-1, ymax=5)
a.show()
=================================================

Now if I try to do something like:
==================================================
a = animate([point([k,k^2,-k], pointsize=50, rgbcolor='red') for k in
srange(-1,2,0.5)])
a.show()
==================================================

I get errors that the Point object is not callable.

Any ideas how to resolve this?

Thanks,
-M.
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