Jialin Yi
### What happened? AttributeError: module 'earthkit.data.sources.ecmwf_api' has no attribute 'source' ### What are the steps to reproduce the bug? ```Python import earthkit.data ds = earthkit.data.from_source("ecmwf-api", param=["2t", "msl"], levtype="sfc", area=[50, -10,...
Projection onto L1 unit ball is extremly useful for sparse solution. Quite surprising that is is not included in: [optax/projections/_projections.py](https://github.com/google-deepmind/optax/blob/main/optax/projections/_projections.py). I would love to contribute it.