I hate to break it to you, but the best interface for scientific python is Jupyter Notebook, which already runs in the browser. This just moves the execution of

I hate to break it to you, but the best interface for scientific python is Jupyter Notebook, which already runs in the browser. This just moves the execution of the code into the browser also. It's also not adding any features that weren't already there, unless you're objecting to the entire WebAssembly project, in which case I guess that's allowed, but a bit off-topic.