transformers

7f52a2a4 - Add `.on_push_begin()` callback to Trainer and implement for `TrackioCallback` (#42850)

Add `.on_push_begin()` callback to Trainer and implement for `TrackioCallback` (#42850) * changes * changes * Update src/transformers/integrations/integration_utils.py Co-authored-by: Quentin Gallouédec <45557362+qgallouedec@users.noreply.github.com> * changes * changes * changes * changes * changes * changes * changes --------- Co-authored-by: Quentin Gallouédec <45557362+qgallouedec@users.noreply.github.com>