code: def is_symmetric(self, symprec=0.1):
          
  
          sg = SpacegroupAnalyzer(self, symprec=symprec)
          return sg.is_laue()
docs: Checks if slab is symmetric, i.e., contains inversion symmetry.
  
          Args:
              symprec (float): Symmetry precision used for SpaceGroup analyzer.
  
          Returns:
              (bool) Whether slab contains inversion symmetry.