[`CodeLlama`] Fix CI (#25890)

* Fix coellama

* style

src/transformers/models/code_llama/tokenization_code_llama_fast.py

@@ -151,7 +151,6 @@ class CodeLlamaTokenizerFast(PreTrainedTokenizerFast):
         self.update_post_processor()
 
         self.vocab_file = vocab_file
-        self.can_save_slow_tokenizer = False if not self.vocab_file else True
 
         self._prefix_token = prefix_token
         self._middle_token = middle_token
@@ -159,6 +158,10 @@ class CodeLlamaTokenizerFast(PreTrainedTokenizerFast):
         self._eot_token = eot_token
         self.fill_token = fill_token
 
+    @property
+    def can_save_slow_tokenizer(self) -> bool:
+        return os.path.isfile(self.vocab_file) if self.vocab_file else False
+
     def update_post_processor(self):
         """
         Updates the underlying post processor with the current `bos_token` and `eos_token`.