readme: fix incorrect instructions for installing pyserial

Signed-off-by:  Eric Callahan <arksine.code@gmail.com>
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Eric Callahan 2022-05-25 12:48:33 -04:00 committed by GitHub
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@ -87,7 +87,7 @@ configured an alternative method of entry.
Before flashing, make sure pyserial is installed. This step only needs to Before flashing, make sure pyserial is installed. This step only needs to
be performed once: be performed once:
``` ```
pip install serial pip3 install pyserial
``` ```
``` ```
python3 flash_can.py -d <serial device> -b <baud_rate> python3 flash_can.py -d <serial device> -b <baud_rate>