i tried this but it didn't work too
client:
socket.sendall('x'+str(a))
e32.ao_sleep(1)
socket.sendall('y'+str(b))
e32.ao_sleep(1) ##waits for a second

on server:
if incomingdata[0]=='x': a=int(incomingdata[1:len(incomingdata)])
if incomingdata[0]=='y': b=int(incomingdata[1:len(incomingdata)])