Add missing param

swahili-safi.py

@@ -61,7 +61,7 @@ class SwahiliSafi(datasets.GeneratorBasedBuilder):
             )
         ]
 
-    def _generate_examples(self, data_files):
+    def _generate_examples(self, data_files, split):
         """Yields examples."""
         _id = 0
         for filepath in data_files: