Fixing IndexError in Gesture Recognition with TinyML on ESP32

IndexError: index 3 is out of bounds for axis 0 with size 3

def get_sensor_data():
    accel = mpu.accel
    return np.array([accel.x, accel.y, accel.z])  # Collect accelerometer data

while True:
    try:
        data = get_sensor_data()
        gesture = predict_gesture(data)  # Run inference on sensor data

        if gesture == "wave":
            print("Wave gesture detected!")
        elif gesture == "swipe":
            print("Swipe gesture detected!")
        else:
            print("No gesture detected")

        time.sleep(0.3)

    except Exception as e:
        print("Error:", e)
        time.sleep(1)