Update 0mq/comm_node.py

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: GaneshPatil7517

0mq/comm_node.py

@@ -14,7 +14,7 @@
         u = concore.read(concore.iport['U'],"u",init_simtime_u)
     concore.write(concore.oport['U1'],"u",u)
     print(u)
-    old2 = concore.simtime
+    old2 = float(concore.simtime)
     while concore.unchanged() or concore.simtime <= old2:
         ym = concore.read(concore.iport['Y1'],"ym",init_simtime_ym)
     concore.write(concore.oport['Y'],"ym",ym)