code: def vector_mask(self):
          
          if not hasattr(self, '_vector_mask'):
              self._vector_mask = None
              blocks = self.tagged_blocks
              for key in ('VECTOR_MASK_SETTING1', 'VECTOR_MASK_SETTING2'):
                  if key in blocks:
                      self._vector_mask = VectorMask(blocks.get_data(key))
          return self._vector_mask
docs: Returns vector mask associated with this layer.
  
          :return: :py:class:`~psd_tools.api.shape.VectorMask` or `None`