pytorch-lightning

b3e0df03 - Bugfix for `BackboneFinetuning` + `LearningRateFinder` (#21224)

Bugfix for `BackboneFinetuning` + `LearningRateFinder` (#21224) * check for attribute before index * add testing * changelog * Empty-Commit --------- Co-authored-by: jirka <jirka.borovec@seznam.cz> Co-authored-by: Jirka Borovec <6035284+Borda@users.noreply.github.com> Co-authored-by: Deependu <deependujha21@gmail.com>