We should be able to retire [`numkit.observables`](https://numkit.readthedocs.io/en/latest/observables.html) and replace it with [`uncertainties`](https://pythonhosted.org/uncertainties/). Maybe just keep `observables` as an API layer to `uncertainties` for backwards compatibility.
We should be able to retire
numkit.observablesand replace it withuncertainties.Maybe just keep
observablesas an API layer touncertaintiesfor backwards compatibility.