diff --git a/module3/exo1/influenza-like-illness-analysis.ipynb b/module3/exo1/influenza-like-illness-analysis.ipynb
index d0aa1333bdbb16b9d26da26bea22d375ab5cc356..a6047a3269809a9adff3ab75c496d9a5b0571357 100644
--- a/module3/exo1/influenza-like-illness-analysis.ipynb
+++ b/module3/exo1/influenza-like-illness-analysis.ipynb
@@ -34,7 +34,12 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "data_url = \"incidence-PAY-3.csv\""
+    "data_file = \"incidence-PAY-3.csv\"\n",
+    "\n",
+    "import os\n",
+    "import urllib.request\n",
+    "if not os.path.exists(data_file):\n",
+    "    urllib.request.urlretrieve(data_url, data_file)"
    ]
   },
   {
@@ -1032,7 +1037,7 @@
     }
    ],
    "source": [
-    "raw_data = pd.read_csv(data_url, skiprows=1)\n",
+    "raw_data = pd.read_csv(data_file, skiprows=1)\n",
     "raw_data"
    ]
   },