[Fix] Create objects with _from_runtime instead of from_any

This should have been solve by [this PR](spm/spm-python#35).

Author: johmedr

mpython/runtime.py

@@ -33,7 +33,7 @@ def _process_argin(*args, **kwargs):
 
     @staticmethod
     def _process_argout(res):
-        return MatlabType.from_any(res)
+        return MatlabType._from_runtime(res)
 
     @staticmethod
     def _import_initialize():