diff --git a/01_the_machine_learning_landscape.ipynb b/01_the_machine_learning_landscape.ipynb
index 9517ef9..026569a 100644
--- a/01_the_machine_learning_landscape.ipynb
+++ b/01_the_machine_learning_landscape.ipynb
@@ -124,6 +124,7 @@
    "outputs": [],
    "source": [
     "# Download the data\n",
+    "import urllib",
     "DOWNLOAD_ROOT = \"https://raw.githubusercontent.com/ageron/handson-ml2/master/\"\n",
     "os.makedirs(datapath, exist_ok=True)\n",
     "for filename in (\"oecd_bli_2015.csv\", \"gdp_per_capita.csv\"):\n",