Update SourceData.py

SourceData.py

@@ -175,6 +175,7 @@ class SourceData(datasets.GeneratorBasedBuilder):
         Uses local files if a data_dir is specified. Otherwise downloads the files from their official url."""
 
         try:
+            config_name = self.config.name if self.config.name != "default" else "NER"
             urls = [
                 self._URLS[self.config.name]+"train.jsonl",
                 self._URLS[self.config.name]+"test.jsonl",