Fix # validation files

mc4_nl_cleaned.py

@@ -150,7 +150,7 @@ class Mc4(datasets.GeneratorBasedBuilder):
                 _BASE_URL.format(
                     split=split,
                     index=index,
-                    n_shards=8 if split == "validation" else 1024,
+                    n_shards=4 if split == "validation" else 1024,
                 )
                 for index in range(_CONFIGS[self.config.name][split])
             ]