(self, key)
Return a byte string representation or raise a KeyError.
Return a byte string representation or raise a KeyError.
Return a byte string representation or raise a KeyError .
def get_bytes(self, key):
        """Return a byte string representation or raise a KeyError."""
        raise NotImplementedError('Method must be implemented by subclass')
def get_bytes ( self , key ) : raise NotImplementedError ( 'Method must be implemented by subclass' )