Update app.py

app.py

@@ -195,9 +195,10 @@ def tts_streaming(text: str, voice: str = "af_heart", speed: float = 1.0, format
 
             # For the first chunk, prepend 0; for later chunks, start with the previous chunk's last token.
             if i == 0:
-                tokens_to_send = [0] + chunk_tokens
+                tokens_to_send = [0] + chunk_tokens + [0]
             else:
-                tokens_to_send = [prev_last_token] + [0] + chunk_tokens
+                # tokens_to_send = [prev_last_token] + [0] + chunk_tokens
+                token_to_send = [0] + chunk_tokens + [0]
 
             # Save the last token of this chunk for the next iteration.
             prev_last_token = tokens_to_send[-1]