I have server issue

[Mayu38]

Traceback (most recent call last):
File "chatapp.py", line 63, in
chatServer = ChatServer('', 33000, 1024)
File "chatapp.py", line 15, in init
self.chatServSock.bind(self.ADDR)
File "/usr/lib/python2.7/socket.py", line 224, in meth
return getattr(self._sock,name)(*args)
socket.error: [Errno 98] Address already in use

Please help me with this...