Problem with sockets and python 2.5

[Jose Alberto Reguero]

I had two programs, server.py and client.py(attac hed)

1:
server.py at i386 python 2.4
client.py at x86_64 python 2.5
Work

2:
server.py at x86_64 python 2.5
client.py at i386 python 2.4
Don't work

Any ideas?
Thanks.

Jose Alberto