Update detect_frames.py

scripts/detect_frames.py

@@ -69,7 +69,8 @@ def detect(in_seq_dir, out_seq_dir, model, device, verbose):
     inference, image_shapes, width, height = do_detection(dataloader, model, device, verbose=verbose)
 
     print(type(inference))
-    print(len(inference))
+    print(type(inference[0]))
+    print(len(inference[0]))
     json_obj = {
         'inference': inference,
         'image_shapes': image_shapes,