This allows for calling synchronous JS functions from Python but not async JS functions, right? PyExecJS [0] also doesn't work with async JS, but Js2Py [1] might.
[0] https://github.com/doloopwhile/PyExecJS/issues/20 [1] https://github.com/PiotrDabkowski/Js2Py/blob/05e77f0d4ffe91e...