please help me to debud my local chat network program

[Minh Dang]

yes, it's run but appear: 
in server: Server is ready.
Accepted connection from  ('127.0.0.1', 5000)
End connection from ('127.0.0.1', 5000)
after connected, server close.
in client: Connected to server at  127.0.0.1 : 4000
Traceback (most recent call last):
  File "C:\Users\MINH_IT\workspace\project\src\project\client.py", line 303, in <module>
    sys.exit(main())
  File "C:\Users\MINH_IT\workspace\project\src\project\client.py", line 60, in main
    rQueue, wQueue, xQueue = select.select(inputs, [], []) 
OSError: [WinError 10038] An operation was attempted on something that is not a socket
there are 2 problems.