diff --git a/Tutorial4_advanced_vision_tutorial.ipynb b/Tutorial4_advanced_vision_tutorial.ipynb
index c4c24cf..5c76e4d 100644
--- a/Tutorial4_advanced_vision_tutorial.ipynb
+++ b/Tutorial4_advanced_vision_tutorial.ipynb
@@ -648,7 +648,7 @@
       "outputs": [],
       "source": [
         "dataiter = iter(test_loader)\n",
-        "images, labels = dataiter.next()\n",
+        "images, labels = next(dataiter)\n",
         "\n",
         "# name of each label\n",
         "classes = test_loader.dataset.classes\n",