It's becauase the argument passed to the chr() method is out of the range. Want to learn more Python for Data Science? Head over to DataCamp and try their free Python Tutorial
The second product used in this project is Liquitex pouring medium. This is a low viscosity (very fluid), clear, and high gloss acrylic medium. It is about the consistency of warm honey; quite sticky also. It can ben used with your regular heavy body paint to make them flow easier, and create cool dripping effects.
priming - the first or preliminary coat of paint or size applied to a surface. flat coat, primer coat, priming coat, undercoat, primer, ground. coat of paint - a layer of paint covering something else. couch - a flat coat of paint or varnish used by artists as a primer. Translations.