Changes: https://github.com/adafruit/Adafruit_CircuitPython_Pixelbuf/compare/2.0.3...2.0.4
To use in CircuitPython, simply install the [Adafruit CircuitPython Bundle](https://circuitpython.org/libraries).
To use in CPython, `pip3 install adafruit-circuitpython-pixelbuf`.
Read the [docs](https://circuitpython.readthedocs.io/projects/pixelbuf/en/latest/) for info on how to use it.