Fix file extensions

hr500k.py

@@ -167,9 +167,9 @@ class Hr500K(datasets.GeneratorBasedBuilder):
         data_dir = dl_manager.download_and_extract(_URLs[self.config.name])
 
         if self.config.name == 'ud':
-            training_file = 'train_ner_ud.conllu'
-            dev_file = 'dev_ner_ud.conllu'
-            test_file = 'test_ner_ud.conllu'
+            training_file = 'train_ner_ud.conllup'
+            dev_file = 'dev_ner_ud.conllup'
+            test_file = 'test_ner_ud.conllup'
         else:
             training_file = 'train_ner.conllu'
             dev_file = 'dev_ner.conllu'