Fixed ref bug

dfine_jina_pipeline.py

@@ -697,7 +697,8 @@ def run_single_image(
                 bx1, by1, bx2, by2 = squarify_crop_box(bx1, by1, bx2, by2, crop_w, crop_h)
             small_crop = crop_pil.crop((bx1, by1, bx2, by2))
             result = _classify_crop(clf_instance, small_crop, conf_threshold, gap_threshold)
-            pred = result["prediction"] if result["prediction"] in ref_labels else f"unknown ({d['label']})"
+            raw_pred = result["prediction"]
+            pred = raw_pred if raw_pred != "unknown" else f"unknown ({d['label']})"
             conf = result["confidence"]
             results_per_crop.append((gidx, (bx1, by1, bx2, by2), small_crop, pred, conf))