Fix pydantic error

app.py

@@ -70,9 +70,9 @@ def predict(image, det_choice, emb_choice):
     elif emb_choice == 'vae-encoder':
         for box in boxes:
             cropped_stamp = to_tensor(image.crop(box.tolist()).resize((118, 118)))
-            embeddings.append(encoder(cropped_stamp.unsqueeze(0).to(device))[0][0].detach().cpu())
+            embeddings.append(np.array(encoder(cropped_stamp.unsqueeze(0).to(device))[0][0].detach().cpu()))
     
-    embeddings = np.stack(np.array(embeddings))
+    embeddings = np.stack(embeddings)
 
     similarities = cosine_similarity(embeddings)