<s> class NotEnoughBytes ( Exception ) : <EOL> pass <EOL> class UnknownCellCommand ( Exception ) : <EOL> pass <EOL> class BadCellPayloadLength ( Exception ) : <EOL> pass <EOL> class BadPayloadData ( Exception ) : <EOL> pass <EOL> class BadLinkSpecifier ( Exception ) : <EOL> pass <EOL> class BadCellHeader ( Exception ) : <EOL> pass <EOL> class BadRelayCellHeader ( Exception ) : <EOL> pass </s>
