Full typing

[eavanvalkenburg]

Please make sure to have fully typed methods, make development much easier!

[amachanic]

100% agree here. Annotations were introduced in Python 3.5 and the minimum supported version currently is 3.7 - so there's no back-compat reason or other excuse to not use them.

[jahnvi480]

Eduard van Valkenburg (@eavanvalkenburg) Adam Machanic (@amachanic) We have merged this PR and now all our methods are fully typed.