DOC document allowed type for sensitive features

[romanlutz]

Describe the issue linked to the documentation

Our API reference says that sensitive_features needs to be an array, DF, Series, or list, but it doesn't say the type of the individual entries of these structures. We know that strings and integers work, but what about other types?

This item is about three things:

• check which types work
• document the expected types (in all methods accepting sensitive features)
• catch if unexpected types are passed in a centralized location (e.g., the validation code under utils) and return a suitable error message.

It's fine if someone only wants to do one of these tasks as we can check them off individually.

[yavuzs]

hi, can i take it ?

[romanlutz]

@yavuzs of course. Let us know if you questions!

[miacodehub]

Hi is this still open? I'd love to work on this if it is.

[romanlutz]

Yes, go ahead!