diff --git a/module3/exo1/influenza-like-illness-analysis.ipynb b/module3/exo1/influenza-like-illness-analysis.ipynb
index c9fc52e288cc7529c6d6b996f1195b3242621bcf..38631f2feefbf4d1091f24580ad91686aba514d6 100644
--- a/module3/exo1/influenza-like-illness-analysis.ipynb
+++ b/module3/exo1/influenza-like-illness-analysis.ipynb
@@ -16,7 +16,14 @@
     "%matplotlib inline\n",
     "import matplotlib.pyplot as plt\n",
     "import pandas as pd\n",
-    "import isoweek"
+    "import isoweek\n",
+    "\n",
+    "data_url = \"http://www.sentiweb.fr/datasets/incidence-PAY-3.csv\"\n",
+    "data_file = \"syndrome-grippal.csv\"\n",
+    "import os\n",
+    "import urllib.request\n",
+    "if not os.path.exists(data_file):\n",
+    "    urllib.request.urlretrieve(data_url, data_file)"
    ]
   },
   {
@@ -26,20 +33,6 @@
     "The data on the incidence of influenza-like illness are available from the Web site of the [Réseau Sentinelles](http://www.sentiweb.fr/). We download them as a file in CSV format, in which each line corresponds to a week in the observation period. Only the complete dataset, starting in 1984 and ending with a recent week, is available for download."
    ]
   },
-  {
-   "cell_type": "code",
-   "execution_count": 2,
-   "metadata": {},
-   "outputs": [],
-   "source": [
-    "data_url = \"http://www.sentiweb.fr/datasets/incidence-PAY-3.csv\"\n",
-    "data_file = \"syndrome-grippal.csv\"\n",
-    "import os\n",
-    "import urllib.request\n",
-    "if not os.path.exists(data_file):\n",
-    "    urllib.request.urlretrieve(data_url, data_file)"
-   ]
-  },
   {
    "cell_type": "markdown",
    "metadata": {},