diff --git a/module3/exo3/exercice.ipynb b/module3/exo3/exercice.ipynb
index bc98f24f11e9bc397f89f97219afed7f5eba8791..e772e41cc7b480ed184ad78360b01387927346f6 100644
--- a/module3/exo3/exercice.ipynb
+++ b/module3/exo3/exercice.ipynb
@@ -51,14 +51,15 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 9,
    "metadata": {},
    "outputs": [],
    "source": [
     "# Importation des librairies nécessaire à l'exercice\n",
     "%matplotlib inline\n",
     "import matplotlib.pyplot as plt\n",
-    "import pandas as pd"
+    "import pandas as pd\n",
+    "import isoweek"
    ]
   }
  ],