Fix ex_fields

itacola.py

@@ -138,7 +138,8 @@ class ItaCola(datasets.GeneratorBasedBuilder):
                 ex_split = None
                 fields = row.strip().split("\t")
                 if len(fields) > 5:
-                    fields, ex_split = fields[:-1], fields[-1]
+                    ex_split = fields[-1]
+                    fields = fields[:-1], 
                 if ex_split is None or ex_split.strip() == split:
                     yield id_, {
                         k:v.strip() for k,v in zip(features, fields)