diff --git a/module3/exo3/exercice.ipynb b/module3/exo3/exercice.ipynb
index d19a0e7f3c96cc77690a811331af64cf3f76b5aa..c91bf87de54f3a82684ebdde09a6ab3e8693f52b 100644
--- a/module3/exo3/exercice.ipynb
+++ b/module3/exo3/exercice.ipynb
@@ -30,7 +30,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 18,
+   "execution_count": 20,
    "metadata": {},
    "outputs": [
     {
@@ -995,7 +995,7 @@
        "[756 rows x 10 columns]"
       ]
      },
-     "execution_count": 18,
+     "execution_count": 20,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -1005,11 +1005,14 @@
     "    raw_data = pd.read_csv(\"https://scrippsco2.ucsd.edu/assets/data/atmospheric/stations/in_situ_co2/monthly/monthly_in_situ_co2_mlo.csv\",skiprows=56)\n",
     "except OSError as err:\n",
     "    print(\"Erreur lors du téléchargement : {0}\".format(err))\n",
+    "    print(\"Nous téléchargeons les dernières données enregistrer sur notre PC\")\n",
+    "    raw_data = pd.read_csv(\"monthly_in_situ_co2_mlo.csv\",skiprows=56)\n",
     "except:\n",
     "    print(\"Unexpected error:\", sys.exc_info()[0])\n",
     "    raise\n",
-    "    \n",
-    "raw_data.to_csv('monthly_in_situ_co2_mlo',index=True)\n",
+    "else:\n",
+    "    raw_data.to_csv('monthly_in_situ_co2_mlo',index=True)\n",
+    "\n",
     "raw_data\n",
     "\n",
     "    \n"