Разделение чисел на байты через int.to_bytes()

hddtempserial.py

@@ -102,14 +102,11 @@ def poll(serial_port):
 
     #температуры 16-битные со знаком (ну на всякий случай)
     transmit_bytes = [
-        pc_command_codes.poll,
-        (temperatures[0] >> 8) & 0xff,
-        temperatures[0] & 0xff,
-        (temperatures[1] >> 8) & 0xff,
-        temperatures[1] & 0xff,
-        (temperatures[2] >> 8) & 0xff,
-        temperatures[2] & 0xff,
+        pc_command_codes.poll
     ]
+    transmit_bytes += int.to_bytes(temperatures[0], 2, 'big'),
+    transmit_bytes += int.to_bytes(temperatures[1], 2, 'big'),
+    transmit_bytes += int.to_bytes(temperatures[2], 2, 'big'),
     response_length = 18
 
     response = serial_exchange(serial_port, transmit_bytes, response_length, config['arduinoTimeoutSec'])