transformers

376c02e9 - [WIP] lightning_base: support --lr_scheduler with multiple possibilities (#6232)

[WIP] lightning_base: support --lr_scheduler with multiple possibilities (#6232) * support --lr_scheduler with multiple possibilities * correct the error message * add a note about supported schedulers * cleanup * cleanup2 * needs the argument default * style * add another assert in the test * implement requested changes * cleanups * fix relative import * cleanup