agostof

That sounds good. To be honest, I did my patch keeping as much of the original code (e.g. isinstance()) as possible. And in this case the assumption was that the...

Was additional development done to support BCF2.2?

I am interested in this as well. I tried the instructions and Comm Demo here: https://github.com/IRkernel/IRkernel/blob/master/example-notebooks/Comm_Demo.ipynb (It works) In the Demo notebook the "front-end" browser target _callback_ is registered using...

Adding on to the solution by @mscolnick, you can try adding the `_mime_` method to the classes you want to render. ``` python ... from sympy import Symbol as SymbolSympy...

@mscolnick Thanks! It turns out that patching `sympy.core.basic.Printable` works nicely. I am adding a [formatter](https://github.com/agostof/marimo/tree/sympy-fmt) and will submit a PR.