code: def apply_transformation(self, structure):
          
          sga = SpacegroupAnalyzer(structure, symprec=self.symprec,
                                   angle_tolerance=self.angle_tolerance)
          return sga.get_conventional_standard_structure(international_monoclinic=self.international_monoclinic)
docs: Returns most primitive cell for structure.
  
          Args:
              structure: A structure
  
          Returns:
              The same structure in a conventional standard setting