[yt-users] It seems a : is missing

In http://yt-project.org/doc/examining/loading_data.html import yt units_override = {"length_unit":(1.0,"Mpc"), "time_unit"(1.0,"Myr"), "mass_unit":(1.0e14,"Msun")} ds = yt.load("id0/cluster_merger.0250.vtk", units_override=units_override) It seems a : is missing after time_unit Yingchao