Update app.py

app.py

@@ -22,7 +22,7 @@ def load_words_dataset():
 def prepare_umap():
     all_enc = model.encode(all_words)
     umap_3d = UMAP(n_components=3, init='random', random_state=0)
-    proj_3d = umap_3d.fit_transform(all_enc)
+    proj_3d = umap_3d.fit_transform(random.sample(all_enc.tolist(), k=2000))
     return umap_3d