Update app.py

app.py

@@ -67,7 +67,7 @@ def audio_tensor_to_pcm_bytes(audio_tensor: torch.Tensor) -> bytes:
         audio_np = audio_np.flatten()
     # Scale to int16 range.
     audio_int16 = np.int16(audio_np * 32767)
-    return audio_int16.tobytes()
+    return audio_int16
 
 
 # ------------------------------------------------------------------------------
@@ -102,7 +102,7 @@ def tts_streaming(text: str, voice: str = "af_heart", speed: float = 1.0):
                         print(f"Chunk {i}: Audio generated")  # Debugging
                         pcm_bytes = audio_tensor_to_pcm_bytes(result.audio)
                         for i in range(0, len(pcm_bytes), 100):
-                            yield pcm_bytes[i:i + chunk_size]
+                            yield pcm_bytes[i:i + chunk_size].tobytes()
                     else:
                         print(f"Chunk {i}: No audio generated")
             except Exception as e: