transformers

909f0709 - [Doctest] Add `configuration_bigbird_pegasus.py` and `configuration_big_bird.py` (#19606)

[Doctest] Add `configuration_bigbird_pegasus.py` and `configuration_big_bird.py` (#19606) * [Doctest] Add `configuration_bigbird_pegasus.py` and `configuration_big_bird` [Doctest] Re-style `configuration_big_bird.py` * [Doctest] One python instruction per line * [Doctest] Fix styling * [Doctest] More styling fixes