code: def get_vasp_input(self, vasp_input_set=MPRelaxSet, **kwargs):
          
          d = vasp_input_set(self.final_structure, **kwargs).get_vasp_input()
          d["transformations.json"] = json.dumps(self.as_dict())
          return d
docs: Returns VASP input as a dict of vasp objects.
  
          Args:
              vasp_input_set (pymatgen.io.vaspio_set.VaspInputSet): input set
                  to create vasp input files from structures