'Write a datagram constructed from an iterable of L{bytes}.
@param seq: The data that will make up the complete datagram to be
written.
@type seq: an iterable of L{bytes}
@type addr: L{tuple} containing L{str} as first element and L{int} as
second element, or L{None}
@param addr: A tuple of (I{stringified IPv4 or IPv6 address},
I{integer port number}); can be L{None} in connected mode.'

def writeSequence(self, seq, addr):

    self.write(''.join(seq), addr)
