If the deformers aren't in the scene then the operator couldn't connect them on the import and you loose the dependencies data.
When you import a model without all the dependencies there's a warning like this... > > # WARNING : 3000 - Cannot reconnect operator *MESH*.polymsh.envelopop to > the *DEFORMER*.Static_KineState. The object is invalid. If you "log to file" the import log (there's a preference for that) and parse the file you should have all the names in the right order... dirty workaround but export/import a model without the dependencies is already a non ideal workflow IMHO. Cheers!

