code: def record_padding(self, iso_size):
          # type: (int) -> bytes
          '''
          A method to record padding for the ISO hybridization.
  
          Parameters:
           iso_size - The size of the ISO, excluding the hybridization.
          Returns:
           A string of zeros the right size to pad the ISO.
          '''
          if not self._initialized:
              raise pycdlibexception.PyCdlibInternalError('This IsoHybrid object is not yet initialized')
  
          return b'\x00' * self._calc_cc(iso_size)[1f record_padding(self, iso_size):
          # type: (int) -> bytes
          '''
          A method to record padding for the ISO hybridization.
  
          Parameters:
           iso_size - The size of the ISO, excluding the hybridization.
          Returns:
           A string of zeros the right size to pad the ISO.
          '''
          if not self._initialized:
              raise pycdlibexception.PyCdlibInternalError('This IsoHybrid object is not yet initialized')
  
          return b'\x00' * self._calc_cc(iso_size)[1]
docs: A method to record padding for the ISO hybridization.
  
          Parameters:
           iso_size - The size of the ISO, excluding the hybridization.
          Returns:
           A string of zeros the right size to pad the ISO.