GitLab

* Add create token type ids to CodeGenTokenizer

* Fix inconsistent length of token type ids

* Format source codes

* Fix inconsistent order of methods

* Update docstring

* add test_tokenizer_integration test

* Format source codes

* Add `copied from` comment to CodeGenTokenizerFast

* Add doc of create_token_type_ids_from_sequences

* Make return_token_type_ids False by default

* Make test_tokenizer_integration as slow test

* Add return_token_type_ids to tokenizer init arg

* Add test for tokenizer's init return_token_type_ids

* Format source codes