Update css.py

css.py

@@ -29,6 +29,8 @@ _CITATION = """\
 
 _DESCRIPTION = "CSS is a large-scale cross-schema Chinese text-to-SQL datasets"
 
+_LICENSE = "CC BY-SA 4.0"
+
 _URL = "https://huggingface.co/datasets/zhanghanchong/css/resolve/main/css.zip"
 
 
@@ -56,6 +58,7 @@ class CSS(datasets.GeneratorBasedBuilder):
             description=_DESCRIPTION,
             features=features,
             supervised_keys=None,
+            license=_LICENSE,
             citation=_CITATION,
         )