Resolved type-checking error in PubSub example test. (#627)

Author: sumanjeet0012

tests/core/examples/test_examples.py

@@ -209,8 +209,8 @@ async def ping_handler(stream):
 
 
 async def pubsub_demo(host_a, host_b):
-    gossipsub_a = GossipSub([GOSSIPSUB_PROTOCOL_ID], 3, 2, 4, None, 0.1, 1)
-    gossipsub_b = GossipSub([GOSSIPSUB_PROTOCOL_ID], 3, 2, 4, None, 0.1, 1)
+    gossipsub_a = GossipSub([GOSSIPSUB_PROTOCOL_ID], 3, 2, 4, None, 1, 1)
+    gossipsub_b = GossipSub([GOSSIPSUB_PROTOCOL_ID], 3, 2, 4, None, 1, 1)
     pubsub_a = Pubsub(host_a, gossipsub_a)
     pubsub_b = Pubsub(host_b, gossipsub_b)
     message_a_to_b = "Hello from A to B"