add missing yield

app.py

@@ -337,6 +337,7 @@ def log_to_rr(input_image, do_remove_background, sample_steps, sample_seed):
     for msg in make3d(z123_image):
         if msg[0] == "log":
             rr.log(msg[1], msg[2])
+            yield stream.read()
 
 _HEADER_ = '''
 <h2><b>Official 🤗 Gradio Demo</b></h2><h2><a href='https://github.com/TencentARC/InstantMesh' target='_blank'><b>InstantMesh: Efficient 3D Mesh Generation from a Single Image with Sparse-view Large Reconstruction Models</b></a></h2>