To be a good citizen, it should really delete its socket when done.
diff --git a/Demo/sockets/unixserver.py b/Demo/sockets/unixserver.py
index d4c7061..d4425f0 100644
--- a/Demo/sockets/unixserver.py
+++ b/Demo/sockets/unixserver.py
@@ -1,5 +1,6 @@
 # Echo server demo using Unix sockets (handles one connection only)
 # Piet van Oostrum
+import os
 from socket import *
 FILE = 'blabla'             
 s = socket(AF_UNIX, SOCK_STREAM)
@@ -13,3 +14,4 @@
     if not data: break
     conn.send(data)
 conn.close()
+os.unlink(FILE)