<human>:  Python server "Only one usage of each socket address is normally permitted"
<bot>: Here is some code to enable the SO_REUSEADDR socket option in socket object `s` to fix the error `only one usage of each socket address is normally permitted`

s.setsockopt(SOL_SOCKET, SO_REUSEADDR, 1)

#Warning: this code generation is experimental. Please inspect the code for any bugs before executing.