Update app.py

app.py

@@ -208,7 +208,8 @@ def tts_streaming(text: str, voice: str = "af_heart", speed: float = 1.0, format
             final_token = [[0, *chunk_tokens, 0]]
 
             # Use the number of tokens to select the appropriate style vector.
-            style_index = len(tokens_to_send)
+            style_index = len(final_token)
+            print(len(voices))
             if style_index >= len(voices):
                 style_index = len(voices) - 1  # Fallback if index is out-of-bounds.
             ref_s = voices[style_index]