debug

owl_core.py

@@ -117,7 +117,7 @@ def owl_full_video(
             df = pd.concat([df, row], ignore_index=True)
             
             # if there are detections, save the frame replacing the original frame
-            if len(labels[j]) > 0:
+            if labels[j] is not None:
                 annotated_frame = plot_predictions(image, labels[j], scores, boxes)
                 cv2.imwrite(image, annotated_frame)