diff --git a/zmq/publisher.py b/zmq/publisher.py
index 4de94b6..39d551b 100644
--- a/zmq/publisher.py
+++ b/zmq/publisher.py
@@ -1,7 +1,4 @@
 #!/usr/bin/env python3
-import itertools
-import sys
-
 import zmq
 
 
@@ -10,7 +7,7 @@ socket = context.socket(zmq.PUB)
 socket.bind("tcp://127.0.0.1:5559")
 
 n = 10
-msg_body = "a" * n
+msg_body = "\"" + "a" * n + "\""
 try:
     while True:
         socket.send_string(f"test {msg_body}")