fix padding subword labeling

iwslt2011.py

@@ -144,7 +144,7 @@ class IWSLT11(datasets.GeneratorBasedBuilder):
                 if isinstance(label_subword, str):
                     if 'ignore' == label_subword.lower():
                         label_subword = LabelSubword.IGNORE
-                    if 'none' == label_subword.lower():
+                    elif 'none' == label_subword.lower():
                         label_subword = LabelSubword.NONE
                 kwargs['label_subword'] = label_subword
             super(IWSLT11, self).__init__(*args, **kwargs)
@@ -204,12 +204,12 @@ class IWSLT11(datasets.GeneratorBasedBuilder):
             ]
         else:
             return [
-                # datasets.SplitGenerator(
-                #     name=datasets.Split.TRAIN,
-                #     gen_kwargs={
-                #         "filepath": files["train"]
-                #     },
-                # ),
+                datasets.SplitGenerator(
+                    name=datasets.Split.TRAIN,
+                    gen_kwargs={
+                        "filepath": files["train"]
+                    },
+                ),
                 datasets.SplitGenerator(
                     name=datasets.Split.VALIDATION,
                     gen_kwargs={