Update app.py

app.py

@@ -44,8 +44,8 @@ phi = st.sidebar.slider("Phi", min_value=0., max_value=0.5*pi,
 radius = st.sidebar.slider("Radius", min_value=2., max_value=6.,
                            step=1., value=3.)
 
-
-pred_color, _ = render_predict_from_pose(state, theta, phi, radius)
-im = predict_to_image(pred_color)
-
-st.image(im, use_column_width=False)
+with st.spinner("Generating the view..."):
+    pred_color, _ = render_predict_from_pose(state, theta, phi, radius)
+    im = predict_to_image(pred_color)
+    
+    st.image(im, use_column_width=False)