Update files from the datasets library (from 1.16.0)

Release notes: https://github.com/huggingface/datasets/releases/tag/1.16.0

xquad.py

@@ -51,9 +51,7 @@ class Xquad(datasets.GeneratorBasedBuilder):
 
     # TODO(xquad): Set up version.
     VERSION = datasets.Version("1.0.0")
-    BUILDER_CONFIGS = [
-        XquadConfig(name="xquad.{}".format(lang), description=_DESCRIPTION, lang=lang) for lang in _LANG
-    ]
+    BUILDER_CONFIGS = [XquadConfig(name=f"xquad.{lang}", description=_DESCRIPTION, lang=lang) for lang in _LANG]
 
     def _info(self):
         # TODO(xquad): Specifies the datasets.DatasetInfo object
@@ -94,7 +92,7 @@ class Xquad(datasets.GeneratorBasedBuilder):
         # TODO(xquad): Downloads the data and defines the splits
         # dl_manager is a datasets.download.DownloadManager that can be used to
         # download and extract URLs
-        urls_to_download = {lang: _URL + "xquad.{}.json".format(lang) for lang in _LANG}
+        urls_to_download = {lang: _URL + f"xquad.{lang}.json" for lang in _LANG}
         downloaded_files = dl_manager.download_and_extract(urls_to_download)
 
         return [