Update app.py

app.py

@@ -55,8 +55,9 @@ def sample_info(sample_id_str, fieldn):
                             [ 0,  0,  0,  1]])
     
     # render scene
-    r = pyrender.OffscreenRenderer(512, 512)
-    color, _ = r.render(scene)
+    # r = pyrender.OffscreenRenderer(512, 512)
+    # color, _ = r.render(scene)
+    color = np.random.rand((512, 512))
     
     plt.figure(figsize=(8,8))
     plt.imshow(color)