An error message is displayed while loading Python modules when Maestro starts. What do I do?

ImportError: No module named core ...
ImportError: numpy.core.multiarray failed to import

The error may arise if PYTHONPATH is set to another location than the one bundled with SCHRODINGER. One option is to unset the PYTHONPATH variable before starting Maestro. Another is to set the SCHRODINGER_PYTHONPATH variable to : " " like:

setenv SCHRODINGER_PYTHONPATH " "

or (in bash)

export SCHRODINGER_PYTHONPATH=" "

Issues like this can also arise when there's more than one Schrodinger suite installed in a single $SCHRODINGER directory. You should always install a new release into a new directory.

Keywords: start-up error, python modules , ImportError

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