Update utils.py

utils.py

@@ -16,6 +16,7 @@ from groq import Groq
 import numpy as np
 import torch
 import random
+from num2words import num2words  # Added for robust number-to-words conversion
 
 class DialogueItem(BaseModel):
     speaker: Literal["Jane", "John"]   # TTS voice
@@ -534,7 +535,10 @@ def _preprocess_text_for_tts(text: str, speaker: str) -> str:
     # 5) Convert pure integer => words
     def convert_int_to_words(m):
         num_str = m.group()
-        return number_to_words(int(num_str))
+        try:
+            return num2words(int(num_str))
+        except Exception:
+            return num_str
     # Updated regex to catch all digit sequences
     text = re.sub(r"\d+", convert_int_to_words, text)