fixed feature_extractor issue

api.py

@@ -104,8 +104,13 @@
 
 import argparse
 import os
-import signal
 import sys
+
+now_dir = os.getcwd()
+sys.path.append(now_dir)
+sys.path.append("%s/GPT_SoVITS" % (now_dir))
+
+import signal
 from time import time as ttime
 import torch
 import librosa
@@ -440,6 +445,7 @@ def handle(refer_wav_path, prompt_text, prompt_language, text, text_language):
 
     torch.cuda.empty_cache()
     if device == "mps":
+        print('executed torch.mps.empty_cache()')
         torch.mps.empty_cache()
     return StreamingResponse(wav, media_type="audio/wav")