lighteval

5584e23c - Class implementations of faithfulness and extractiveness metrics (#323)

Class implementations of faithfulness and extractiveness metrics (#323) Refactor extractiveness to be a class and modified its instantiation in metrics.py Refactor faithfulness to be a class and modified its instantiation in metrics.py Enable configurable summaCZS model, and configurable input_column. --------- Co-authored-by: Clémentine Fourrier <22726840+clefourrier@users.noreply.github.com>