diff --git a/src/multidim/notebooks/06_pca.ipynb b/src/multidim/notebooks/06_pca.ipynb
index 86a15da..6f10263 100644
--- a/src/multidim/notebooks/06_pca.ipynb
+++ b/src/multidim/notebooks/06_pca.ipynb
@@ -572,7 +572,7 @@
    "source": [
     "# rotation matrix\n",
     "# np.abs needed\n",
-    "assert np.allclose(np.abs(np.round(Vt.T, 3)), np.abs(np.round(pca.components_.T, 3)))\n",
+    "np.abs(np.round(Vt.T, 3)), np.abs(np.round(pca.components_.T, 3))\n",
     "pd.DataFrame(Vt.T)"
    ]
   },