Enforce string-formatting with f-strings (#10980)

* First third

* Styling and fix mistake

* Quality

* All the rest

* Treat %s and %d

* typo

* Missing )

* Apply suggestions from code review

Co-authored-by: Lysandre Debut <lysandre@huggingface.co>

Co-authored-by: Lysandre Debut <lysandre@huggingface.co>

tests/test_trainer_tpu.py

@@ -69,10 +69,8 @@ def main():
     training_args = parser.parse_args_into_dataclasses()[0]
 
     logger.warning(
-        "Process rank: %s, device: %s, tpu_num_cores: %s",
-        training_args.local_rank,
-        training_args.device,
-        training_args.tpu_num_cores,
+        f"Process rank: {training_args.local_rank}, device: {training_args.device}, "
+        f"tpu_num_cores: {training_args.tpu_num_cores}",
     )
 
     # Essentially, what we want to verify in the distributed case is