deliberately raise error to test PR build

Author: ajaykarpur

sagemaker-python-sdk/pytorch_cnn_cifar10/pytorch_local_mode_cifar10.ipynb

@@ -48,6 +48,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
+    "raise Exception(\"Intentional error to test a notebook that fails to run.\")\n",
+    "\n",
     "import sagemaker\n",
     "\n",
     "sagemaker_session = sagemaker.Session()\n",