pls work now

app.py

@@ -113,21 +113,22 @@ elif st.session_state.selected_command == "control/gripper":
 
 with st.form("mqtt_form"):
 	if st.form_submit_button("Send Command"):
-		client = create_paho_client()
-		setup_paho_client(
-			client,
-			HIVEMQ_USERNAME,
-			HIVEMQ_PASSWORD,
-			HIVEMQ_HOST,
-			PORT,
-			DEVICE_ID
-		)
+		if "client" not in st.session_state:
+			st.session_state.client = create_paho_client()
+			setup_paho_client(
+				st.session_state.client,
+				HIVEMQ_USERNAME,
+				HIVEMQ_PASSWORD,
+				HIVEMQ_HOST,
+				PORT,
+				DEVICE_ID
+			)
 
 		payload = {"command": st.session_state.selected_command, "args": args}
 		st.markdown("### Payload")
 		st.write(payload)
 
-		response = publish_and_wait(client, DEVICE_ID, payload)
+		response = publish_and_wait(st.session_state.client, DEVICE_ID, payload)
 		st.markdown("### Response")
 		if response is not None:
 			if "image" in response: