GitLab

[`TokenizerFast`] `can_save_slow_tokenizer` as a property for when `vocab_file`'s folder was removed (#25626)

* pad token should be None by default

* fix tests

* nits

* check if isfile vocabfile

* add warning if sp model folder was deleted

* save SPM when missing folder for sloz

* update the ` can_save_slow_tokenizer`  to be a property

* first batch

* second batch

* missing one