update ruff version (#30932)

* update ruff version

* fix research projects

* Empty

* Fix errors

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

examples/pytorch/question-answering/trainer_qa.py

@@ -15,6 +15,7 @@
 """
 A subclass of `Trainer` specific to Question-Answering tasks
 """
+
 import math
 import time
 

examples/pytorch/question-answering/trainer_seq2seq_qa.py

@@ -15,6 +15,7 @@
 """
 A subclass of `Trainer` specific to Question-Answering tasks
 """
+
 import math
 import time
 from typing import Dict, List, Optional

examples/pytorch/question-answering/utils_qa.py

@@ -15,6 +15,7 @@
 """
 Post-processing utilities for question answering.
 """
+
 import collections
 import json
 import logging