Update ningbo_voice_0.py

update trainset file format

ningbo_voice_0.py

@@ -166,8 +166,8 @@ class CommonVoice(datasets.GeneratorBasedBuilder):
         with open(meta_path, encoding="utf-8") as f:
             reader = csv.DictReader(f, delimiter="\t", quoting=csv.QUOTE_NONE)
             for row in tqdm(reader, desc="Reading metadata..."):
-                if not row["path"].endswith(".mp3"):
-                    row["path"] += ".mp3"
+                if not row["path"].endswith(".wav"):
+                    row["path"] += ".wav"
                 # accent -> accents in CV 8.0
                 if "accents" in row:
                     row["accent"] = row["accents"]