updated notebook for validation

notebooks/001_data_cleaning_checks.ipynb

@@ -36,8 +36,22 @@
   }
  ],
  "metadata": {
+  "kernelspec": {
+   "display_name": ".venv (3.14.2)",
+   "language": "python",
+   "name": "python3"
+  },
   "language_info": {
-   "name": "python"
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.14.2"
   }
  },
  "nbformat": 4,