Update app.py

app.py

@@ -13,6 +13,7 @@ from models import SynthesizerTrn
 from text.symbols import symbols
 from text import cleaned_text_to_sequence, get_bert
 from text.cleaner import clean_text
+import numpy as np
 
 logging.getLogger("numba").setLevel(logging.WARNING)
 logging.getLogger("markdown_it").setLevel(logging.WARNING)