runtime error

Exit code: 1. Reason: Exception in thread Thread-1 (read_serial): Traceback (most recent call last): File "/usr/local/lib/python3.10/site-packages/serial/serialposix.py", line 322, in open self.fd = os.open(self.portstr, os.O_RDWR | os.O_NOCTTY | os.O_NONBLOCK) FileNotFoundError: [Errno 2] No such file or directory: 'COM9' During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/usr/local/lib/python3.10/threading.py", line 1016, in _bootstrap_inner self.run() File "/usr/local/lib/python3.10/threading.py", line 953, in run self._target(*self._args, **self._kwargs) File "/app/read_bpm.py", line 9, in read_serial ser = serial.Serial('COM9', 9600) File "/usr/local/lib/python3.10/site-packages/serial/serialutil.py", line 244, in __init__ self.open() File "/usr/local/lib/python3.10/site-packages/serial/serialposix.py", line 325, in open raise SerialException(msg.errno, "could not open port {}: {}".format(self._port, msg)) serial.serialutil.SerialException: [Errno 2] could not open port COM9: [Errno 2] No such file or directory: 'COM9' Traceback (most recent call last): File "/app/app.py", line 4, in <module> import cv2 ModuleNotFoundError: No module named 'cv2'

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