.

namespace_demo/tmcast.py

@@ -36,7 +36,7 @@ def mjoin_rx(group, port):
     sk = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)
 
     sk.setsockopt(SOL_SOCKET, SO_REUSEADDR, 1)
-    sk.bind((group, port))
+    sk.bind(('', port))
 
     # join the group (for rx)
     mreq = struct.pack("4sl", inet_aton(group), INADDR_ANY)