diff --git a/notebooks/official/prediction/pytorch_train_deploy_models_with_prebuilt_containers.ipynb b/notebooks/official/prediction/pytorch_train_deploy_models_with_prebuilt_containers.ipynb
index 15cdfc0ae..a698fd3c9 100644
--- a/notebooks/official/prediction/pytorch_train_deploy_models_with_prebuilt_containers.ipynb
+++ b/notebooks/official/prediction/pytorch_train_deploy_models_with_prebuilt_containers.ipynb
@@ -360,7 +360,7 @@
       },
       "outputs": [],
       "source": [
-        "! gsutil mb -l $REGION -p $PROJECT_ID $BUCKET_URI"
+        "! gsutil mb -l {REGION} -p {PROJECT_ID} {BUCKET_URI}"
       ]
     },
     {
@@ -413,7 +413,6 @@
       ]
     },
     {
-      "attachments": {},
       "cell_type": "markdown",
       "metadata": {
         "id": "99DcIE4H54HA"