Consider a `Path` trait; many Unicode use could be Path I think.

[Carreau]

[minrk]

Makes perfect sense

[vidartf]

Would it map onto pathlib?

[Carreau]

yes, those would be pathlib.Paths

[davbrito]

Hello @Carreau
I could fix this. In the way I did it at ipython/ipython#12650

[kosack]

in case it's useful as a good (or bad) example, we defined a custom Path trait here: https://github.com/cta-observatory/ctapipe/blob/2e3a5744a1fe87f21f89571f7a05754183dc85b1/ctapipe/core/traits.py#L82