UART Serial Read & Write to MP3 Player Doesn't Work

[bill_z]

Again, it started playing the MP3 requested but then got a run error. See below:

The Internet suggests leading the statement with try: and following up with except and pass.

What do you think?

Output:
 $ sudo python3 SerialTest4.py
[170, 7, 2, 0, 4, 183]
[170, 1, 0, 171]
Traceback (most recent call last):
  File "SerialTest4.py", line 41, in <module>
    playing = read_status(ser)
  File "SerialTest4.py", line 20, in read_status
    raise ValueError('Serial sentinel error')
ValueError: Serial sentinel error