Thank you very much you put the chip in my ear I checked what was the version of SerialPort and I was in version 10 so I went back one version to finish in version 9 then I executed my script and it worked right away!
Command for downgrade :
Hello everyone,
I have a problem when I want to run the script
I have the following error message
I managed to connect to my Signal OWL via putty.
Thank you all