bugfix unique

app.py

@@ -91,7 +91,7 @@ def quantize_embeds(embeds):
 def update_exemplars(df, rng, exemplars, lut):
     embeds = df[['image_embed']].to_numpy()
     labels = df[['label']].to_numpy()
-    assert np.all(labels.unique() == [0, 1])
+    assert np.all(np.unique(labels) == [0, 1])
     labels_zero_idx = (labels == 0).nonzero()
     labels_one_idx = (labels == 1).nonzero()
     print(labels_zero_idx.shape, " zeros and ", labels_one_idx.shape, " ones")