Update small_mc4.py

small_mc4.py

@@ -44,6 +44,11 @@ _N_SHARDS_PER_SPLIT = {
     "fr": {"train": 2048, "validation": 16},
 }
 
+_N_SHARDS_PER_SPLIT_CUSTOMISED = {
+    "en": {"train": 1000, "validation": 10},
+    "fr": {"train": 1000, "validation": 10},
+}
+
 
 # import requests
 
@@ -109,7 +114,7 @@ class Mc4(datasets.GeneratorBasedBuilder):
                     n_shards=_N_SHARDS_PER_SPLIT[lang][split],
                 )
                 for lang in self.config.languages
-                for index in range(10)
+                for index in range(_N_SHARDS_PER_SPLIT_CUSTOMISED[lang][split])
             ]
         train_downloaded_files = dl_manager.download(data_urls["train"])
         validation_downloaded_files = dl_manager.download(data_urls["validation"])