code: def data(self):
      
      try:
        return self._pyregf_value.data
      except IOError as exception:
        raise errors.WinRegistryValueError(
            'Unable to read data from value: {0:s} with error: {1!s}'.format(
                self._pyregf_value.name, exception))
docs: bytes: value data as a byte string.
  
      Raises:
        WinRegistryValueError: if the value data cannot be read.