Fix doctest more (for docs/source/en) (#30247)

* fix

* fix

---------

Co-authored-by: ydshieh <ydshieh@users.noreply.github.com>

docs/source/en/model_doc/code_llama.md

@@ -65,9 +65,9 @@ After conversion, the model and tokenizer can be loaded via:
 >>> tokenizer = CodeLlamaTokenizer.from_pretrained("codellama/CodeLlama-7b-hf")
 >>> model = LlamaForCausalLM.from_pretrained("codellama/CodeLlama-7b-hf")
 >>> PROMPT = '''def remove_non_ascii(s: str) -> str:
-    """ <FILL_ME>
-    return result
-'''
+...     """ <FILL_ME>
+...     return result
+... '''
 >>> input_ids = tokenizer(PROMPT, return_tensors="pt")["input_ids"]
 >>> generated_ids = model.generate(input_ids, max_new_tokens=128)
 
@@ -75,10 +75,10 @@ After conversion, the model and tokenizer can be loaded via:
 >>> print(PROMPT.replace("<FILL_ME>", filling))
 def remove_non_ascii(s: str) -> str:
     """ Remove non-ASCII characters from a string.
-
+<BLANKLINE>
     Args:
         s: The string to remove non-ASCII characters from.
-
+<BLANKLINE>
     Returns:
         The string with non-ASCII characters removed.
     """
@@ -87,6 +87,7 @@ def remove_non_ascii(s: str) -> str:
         if ord(c) < 128:
             result += c
     return result
+<BLANKLINE>
 ```
 
 If you only want the infilled part: