remove duplicate words in msg (#31876)

examples/flax/language-modeling/run_bart_dlm_flax.py

@@ -290,7 +290,7 @@ class FlaxDataCollatorForBartDenoisingLM:
     def __post_init__(self):
         if self.tokenizer.mask_token is None or self.tokenizer.eos_token is None:
             raise ValueError(
-                "This tokenizer does not have a mask token or eos token token which is necessary for denoising"
+                "This tokenizer does not have a mask token or eos token which is necessary for denoising"
                 " language modeling. "
             )
 

examples/research_projects/codeparrot/scripts/arguments.py

@@ -132,7 +132,7 @@ class PreprocessingArguments:
         default="transformersbook/codeparrot", metadata={"help": "Folder or name of dataset to process."}
     )
     output_dir: Optional[str] = field(
-        default="codeparrot-clean", metadata={"help": "Folder to save processed processed dataset."}
+        default="codeparrot-clean", metadata={"help": "Folder to save processed dataset."}
     )
     samples_per_file: Optional[int] = field(
         default=100_000, metadata={"help": "Number of files to save per JSON output file."}