transformers

689ff74f - Minor style improvements for the Flax BERT and RoBERTa examples (#8178)

Minor style improvements for the Flax BERT and RoBERTa examples (#8178) * Minor style improvements: 1. Use `@nn.compact` rather than `@compact` (as to not make it seem like compact is a standard Python decorator. 2. Move attribute docstrings from two `__call__` methods to comments on the attributes themselves. (This was probably a remnant from the pre-Linen version where the attributes were arguments to `call`.) * Use black on the Flax modeling code