Fixed bug of import url_to_fs from fsspec (#507) (#512)

* Fixed bug of import url_to_fs from fsspec (#507)

* Add a try catch as import depend on fsspec version

* Fixed code quality

---------

Co-authored-by: Clémentine Fourrier <22726840+clefourrier@users.noreply.github.com>

Author: LoserCheems

src/lighteval/logging/evaluation_tracker.py

@@ -34,7 +34,6 @@
 import torch
 from datasets import Dataset, load_dataset
 from datasets.utils.metadata import MetadataConfigs
-from fsspec import url_to_fs
 from huggingface_hub import DatasetCard, DatasetCardData, HfApi, HFSummaryWriter, hf_hub_url
 
 from lighteval.logging.info_loggers import (
@@ -53,6 +52,11 @@
 if is_nanotron_available():
     from nanotron.config import GeneralArgs  # type: ignore
 
+try:
+    from fsspec import url_to_fs
+except ImportError:
+    from fsspec.core import url_to_fs
+
 
 class EnhancedJSONEncoder(json.JSONEncoder):
     """