Update NST.py

NST.py

@@ -202,13 +202,13 @@ class Nst(datasets.GeneratorBasedBuilder):
             data_urls[split] = []
             for lang_code in lang_codes:
                 shard_total = _SHARDS[lang_code][split]
-                for shard_idx in range(shard_total + 1):
+                for shard_idx in range(1, shard_total + 1):
                     # .../data/{split}/nst_{lang_code}_{split}_{mic}-{shard_idx}-of-{shard_total}
                     string_formating = dict(
                         split=split,
                         lang_code=lang_code,
                         mic=mic,
-                        shard_idx=shard_idx + 1,
+                        shard_idx=shard_idx,
                         shard_total=shard_total
                     )
                     data_urls[split] += [(
@@ -261,6 +261,8 @@ class Nst(datasets.GeneratorBasedBuilder):
                             # Fixing some errors in the metadata
                             if fields["age"].lower() in ("slethei", "ramslie") or not fields["age"].strip():
                                 fields["age"] = 0
+                            if "," in fields["age"]:
+                                fields["age"] = fields["age"].split(",")[0].strip()
                             yield metadata_key, {
                                 "id": metadata_key,
                                 "audio": audio_dict,