Update gfs-reforecast.py

gfs-reforecast.py

@@ -151,7 +151,7 @@ class GFEReforecastDataset(datasets.GeneratorBasedBuilder):
                 # These kwargs will be passed to _generate_examples
                 gen_kwargs={
                     "filepath": urls if streaming else data_dir,
-                    "split": "test"
+                    "split": "test",
                     "streaming": streaming,
                 },
             ),