This crashes/hangs Maya 2023:
import pymel.core as pm
pm.mel.FBXResetExport()
pm.mel.FBXExport(file="c:/exports/export.fbx", s=True)
While doing the same thing in MEL is fine:
FBXResetExport();
FBXExport -f "c:/exports/export.fbx" -s;
This is also fine:
import pymel.core as pm
pm.mel.FBXResetExport();
export_string = 'FBXExport -f "%s" -s' % "c:/exports/export.fbx"
mel.eval(export_string)