Remove upper call

MultiCoNER.py

@@ -165,9 +165,9 @@ class MultiCoNER(datasets.GeneratorBasedBuilder):
     def _split_generators(self, dl_manager):
         """Returns SplitGenerators."""
         urls_to_download = {
-            "train": f"{subset_to_dir[self.config.name].upper()}/{self.config.name}_train.conll",
-            "dev": f"{subset_to_dir[self.config.name].upper()}/{self.config.name}_dev.conll",
-            "test": f"{subset_to_dir[self.config.name].upper()}/{self.config.name}_test.conll",
+            "train": f"{subset_to_dir[self.config.name]}/{self.config.name}_train.conll",
+            "dev": f"{subset_to_dir[self.config.name]}/{self.config.name}_dev.conll",
+            "test": f"{subset_to_dir[self.config.name]}/{self.config.name}_test.conll",
         }
         downloaded_files = dl_manager.download_and_extract(urls_to_download)