Update app.py

app.py

@@ -46,6 +46,9 @@ def tts_inference(text: str):
     onnx_outputs = ort_session.run(None, {"input_ids": input_ids})
     waveform = onnx_outputs[0]
     
+    # Ensure waveform is in float32 format (required by Gradio).
+    waveform = waveform.astype(np.float32)
+
     # Remove unnecessary dimensions.
     waveform = np.squeeze(waveform)