stuck at this from so much time,need help....please ..

[Bhanu Karthik]

data = sock.recv(RECV_BUFFER)
                            username = str(sock.getpeername())
                            username = usernames[username]      
                            if command == "/quit":
                                print data
                                sock.send("bye")                        
                                sock.close()
                                CONNECTION_LIST.remove(sock)

even if the received data is '/quit' the if condition not excuting...please 
help.
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