优化代码结构

app.py

@@ -1,4 +1,3 @@
-import io
 import os
 import torch
 
@@ -6,14 +5,12 @@ import torch
 import gradio as gr
 import librosa
 import numpy as np
-import soundfile
 import logging
 from fairseq import checkpoint_utils
-from my_utils import load_audio
 from vc_infer_pipeline import VC
 import traceback
 from config import Config
-from infer_pack.models import (
+from lib.infer_pack.models import (
     SynthesizerTrnMs256NSFsid,
     SynthesizerTrnMs256NSFsid_nono,
     SynthesizerTrnMs768NSFsid,