
Hi, I am trying to compute gridded density of some subset of particles. So I tried to import some modules first in the python script as follows: from yt.data_objects.field_info_container import \ FieldInfoContainer, \ NullFunc, \ TranslationFunc, \ FieldInfo, \ ValidateParameter, \ ValidateDataField, \ ValidateProperty, \ ValidateSpatial, \ ValidateGridType import yt.data_objects.universal_fields from yt.utilities.physical_constants import mh from yt.funcs import * import yt.utilities.amr_utils as amr_utils But I got this error message: Traceback (most recent call last): File "SFR.py", line 28, in <module> import yt.utilities.amr_utils as amr_utils ImportError: No module named amr_utils Am I doing something wrong? Thanks, Renyue