False. Poetry implements it’s own dependency resolver. It does not use pip’s resolver. For most packages this is fine. For a couple packages it’s resolver does not work. Pytorch is one major ml library that is incompatible with poetry as poetry has a non-standard interpretation of local package version tags.

https://github.com/python-poetry/poetry/issues/4231

Is one issue. If you even transitively depend on pytorch poetry will break and you will need hacks to make it work or just give up.