made small change to loading script

EU_Wikipedias.py

@@ -43,6 +43,8 @@ _LANGUAGES = ["bg", "cs", "da", "de", "el", "en", "es", "et", "fi", "fr", "ga",
 
 _DATES = ["20221120"]  # one can add more in the future with the file prepare_wikipedias.py
 
+# IMPORTANT: Increase this once larger datasets are available (English has 11 in 20221120)
+_HIGHEST_NUMBER_OF_SHARDS = 11
 
 class EUWikipediasConfig(datasets.BuilderConfig):
     """BuilderConfig for EUWikipedias."""
@@ -105,7 +107,8 @@ class EUWikipedias(datasets.GeneratorBasedBuilder):
 
         for language in languages:
             info = {"language": language}
-            for shard in range(50):  # 50 shards per language at most (English has 10 in 20221120)
+
+            for shard in range(_HIGHEST_NUMBER_OF_SHARDS):
                 try:
                     info["filepath"] = download_url("joelito/EU_Wikipedias", f"{self.config.date}/{language}_{shard}")
                     data_infos.append(info.copy())