In open source, one of the important signals that people use when they go and look at a package is does this thing have tests as part of its design. And having unit tests or some kind of tests typically driven with PyTES for Python is a really important signal to others from the outside. It gives a little bit of extra confidence in your scientific results that way. Indeed. We want to do groundbreaking science and we want to be able to say that when we make observations that what we're seeing is real science. The presence of good tests helps with that because then we have rigorous testing that we can say, Look! Here's my graph. This is the concept. I too too