[yt-users] NotImplementedError

[Yong Zheng]

Hi,

I newly installed yt in my laptop, but ran into an error call
"NotImplementedError" when I tried to use 'pixelize_healpix' which used to
work fine in my another computer, the whole message is as followed:

     img2d,count = pixelize_healpix(NP, img1d, resolution, resolution,
rotation)

     File "grid_traversal.pyx", line 1127, in
 yt.utilities.lib.grid_traversal.pixelize_healpix
(yt/utilities/lib/grid_traversal.c:14555)
     NotImplementedError

Can any of you help to explain why this happens here? How can I fix it?

Thanks for your help!
Yong
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