Update app.py

app.py

@@ -13,6 +13,9 @@ from models import SynthesizerTrn
 from text import text_to_sequence, _clean_text
 from mel_processing import spectrogram_torch
 
+from text.symbols import symbols
+import langdetect
+
 limitation = os.getenv("SYSTEM") == "spaces"  # limit text and audio length in huggingface spaces
 
 device = 'cpu'