The Goddard Mission Analysis Tool, GMAT 2020a python version is constrained to Python 3.7 due to a binary dependency in GMAT libPythonInterface.dll When running a python userfunction I get the notorious numpy exception: No module named 'numpy.core._multiarray_umath' Additional text in the error message attempts to be helpful and directs the user to (https://numpy.org/devdocs/user/troubleshooting-importerror.html) but the suggestions there are generic, erroneous, and incomplete. Continue reading...
