'pyserial FastAPI. Empty Response b''

@app.get("/ATI/", tags=["Device Information"])
def display_identification_information():
    serialconsole = serial.Serial("/dev/tty.usbserial-143130",  115200, timeout=5)
    serialconsole.write(bytes("ATI\r\n", 'utf-8'))
    serialconsole.read(32798)

    msg = serialconsole.readline().decode("utf-8")
    
    serialconsole.close() 
    return msg

I cant get the response, looks "empty" any idea ?

Response body Download ""

any idea ?

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'pyserial FastAPI. Empty Response b''

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