Update app.py

app.py

@@ -10,9 +10,16 @@ from pydub import AudioSegment, silence
 from model import CFM, UNetT, DiT, MMDiT
 from cached_path import cached_path
 from model.utils import (
-    load_checkpoint,
     get_tokenizer,
     convert_char_to_pinyin,
+)
+
+from infer.utils_infer import (
+    load_vocoder,
+    load_model,
+    preprocess_ref_audio_text,
+    infer_process,
+    remove_silence_for_generated_wav,
     save_spectrogram,
 )
 from transformers import pipeline