[yt-users] NameError: name 'SlicePlot' is not defined

Hello all, I the following code from yt.mods import * pf = load("RD0015/RedshiftOutput0015") p= SlicePlot(pf,2,'Density','c',(20,'kpc')) p.save('sliceplot') it is showing an error *Traceback (most recent call last): File "sliceplot_Density.py", line 3, in <module> p = SlicePlot(pf,2,'Density','c',(20,'kpc')) NameError: name 'SlicePlot' is not defined* what is the reason? is there files we have to import. -- Reju Sam John