Merge pull request #530 from TundraWork/main

[fix] 1A-Dataset formatting doesn't work if Audio dataset folder is empty.

GPT_SoVITS/prepare_datasets/2-get-hubert-wav32k.py

@@ -99,7 +99,7 @@ for line in lines[int(i_part)::int(all_parts)]:
     try:
         # wav_name,text=line.split("\t")
         wav_name, spk_name, language, text = line.split("|")
-        if (inp_wav_dir !=None):
+        if (inp_wav_dir != ""):
             wav_name = os.path.basename(wav_name)
             wav_path = "%s/%s"%(inp_wav_dir, wav_name)