parameters: (self, device)
docstring: Set the device of this operation.
  
      Args:
        device: string or device..  The device to set.
docstring_summary: Set the device of this operation.
docstring_tokens: Set the device of this operation .
function: def _set_device(self, device):
      """Set the device of this operation.
  
      Args:
        device: string or device..  The device to set.
      """
      self._node_def.device = _device_string(device)
function_tokens: def _set_device ( self , device ) : self . _node_def . device = _device_string ( device )