fix gettin number of shards

peoples_speech.py

@@ -149,7 +149,7 @@ class PeoplesSpeech(datasets.GeneratorBasedBuilder):
 
         audio_urls = {
             split: [
-                _DATA_URL.format(split=split, config=config, archive_id=i) for i in range(n_shards[split])
+                _DATA_URL.format(split=split, config=config, archive_id=i) for i in range(n_shards[split][config])
             ] for split, config in splits_to_configs.items()
         }
         audio_archive_paths = dl_manager.download(audio_urls)