Upload BUSTER.py

add missing json extension

BUSTER.py

@@ -98,7 +98,7 @@ class Buster(datasets.GeneratorBasedBuilder):
 
     def _split_generators(self, dl_manager):
         data_dir = dl_manager.download_and_extract(_URL)
-        fold_names = [f"FOLD_{i}" for i in range(1, 6)] + ["SILVER"]
+        fold_names = [f"FOLD_{i}.json" for i in range(1, 6)] + ["SILVER.json"]
         return [
             datasets.SplitGenerator(
                 name=fold_name,