Sure there is. You can use JavaFX from any language that runs on the JVM (so that includes Python) and it's been steadily matured over more than a decade. It's maintained by a mix of corporate and community developers, and you can buy support from multiple vendors.
It doesn't get much love on HN but it's there, it works, I've used it to ship real apps.
It doesn't get much love on HN but it's there, it works, I've used it to ship real apps.