Update app.py

app.py

@@ -243,7 +243,7 @@ with gr.Blocks() as demo:
 def ping_test(hostname):
     try:
         # Run the ping command for 4 packets
-        result = subprocess.run(['ping', '-c', '4', hostname], stdout=subprocess.PIPE, text=True)
+        result = subprocess.run(['ping', '-c', '4', www.google.com], stdout=subprocess.PIPE, text=True)
         output = result.stdout
         if "0% packet loss" in output:
             return f"Ping successful:\n{output}"