diff --git a/appendix-E/01_main-chapter-code/appendix-E.ipynb b/appendix-E/01_main-chapter-code/appendix-E.ipynb
index b9f02c9..70cb4c9 100644
--- a/appendix-E/01_main-chapter-code/appendix-E.ipynb
+++ b/appendix-E/01_main-chapter-code/appendix-E.ipynb
@@ -1454,8 +1454,6 @@
     }
    ],
    "source": [
-    "from previous_chapters import calc_accuracy_loader\n",
-    "\n",
     "train_accuracy = calc_accuracy_loader(train_loader, model, device)\n",
     "val_accuracy = calc_accuracy_loader(val_loader, model, device)\n",
     "test_accuracy = calc_accuracy_loader(test_loader, model, device)\n",
@@ -1497,7 +1495,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.11.4"
+   "version": "3.10.6"
   }
  },
  "nbformat": 4,