diff --git a/docs/source/tutorials/neuron.ipynb b/docs/source/tutorials/neuron.ipynb
index 53922fd8..8a4656ad 100644
--- a/docs/source/tutorials/neuron.ipynb
+++ b/docs/source/tutorials/neuron.ipynb
@@ -234,28 +234,6 @@
     "n.nodes.head()"
    ]
   },
-  {
-   "cell_type": "code",
-   "execution_count": 8,
-   "metadata": {},
-   "outputs": [
-    {
-     "ename": "TypeError",
-     "evalue": "'str' object is not a mapping",
-     "output_type": "error",
-     "traceback": [
-      "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
-      "\u001b[0;31mTypeError\u001b[0m                                 Traceback (most recent call last)",
-      "Cell \u001b[0;32mIn[8], line 1\u001b[0m\n\u001b[0;32m----> 1\u001b[0m \u001b[43max\u001b[49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mtext\u001b[49m\u001b[43m(\u001b[49m\u001b[43mloc\u001b[49m\u001b[43m[\u001b[49m\u001b[38;5;241;43m0\u001b[39;49m\u001b[43m]\u001b[49m\u001b[43m \u001b[49m\u001b[38;5;241;43m+\u001b[39;49m\u001b[43m \u001b[49m\u001b[38;5;241;43m10\u001b[39;49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43mloc\u001b[49m\u001b[43m[\u001b[49m\u001b[38;5;241;43m1\u001b[39;49m\u001b[43m]\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43mloc\u001b[49m\u001b[43m[\u001b[49m\u001b[38;5;241;43m2\u001b[39;49m\u001b[43m]\u001b[49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[43ml\u001b[49m\u001b[43m)\u001b[49m    \n",
-      "File \u001b[0;32m~/.pyenv/versions/3.11.8/lib/python3.11/site-packages/matplotlib/axes/_axes.py:735\u001b[0m, in \u001b[0;36mAxes.text\u001b[0;34m(self, x, y, s, fontdict, **kwargs)\u001b[0m\n\u001b[1;32m    670\u001b[0m \u001b[38;5;129m@_docstring\u001b[39m\u001b[38;5;241m.\u001b[39mdedent_interpd\n\u001b[1;32m    671\u001b[0m \u001b[38;5;28;01mdef\u001b[39;00m \u001b[38;5;21mtext\u001b[39m(\u001b[38;5;28mself\u001b[39m, x, y, s, fontdict\u001b[38;5;241m=\u001b[39m\u001b[38;5;28;01mNone\u001b[39;00m, \u001b[38;5;241m*\u001b[39m\u001b[38;5;241m*\u001b[39mkwargs):\n\u001b[1;32m    672\u001b[0m \u001b[38;5;250m    \u001b[39m\u001b[38;5;124;03m\"\"\"\u001b[39;00m\n\u001b[1;32m    673\u001b[0m \u001b[38;5;124;03m    Add text to the Axes.\u001b[39;00m\n\u001b[1;32m    674\u001b[0m \n\u001b[0;32m   (...)\u001b[0m\n\u001b[1;32m    733\u001b[0m \u001b[38;5;124;03m        >>> text(x, y, s, bbox=dict(facecolor='red', alpha=0.5))\u001b[39;00m\n\u001b[1;32m    734\u001b[0m \u001b[38;5;124;03m    \"\"\"\u001b[39;00m\n\u001b[0;32m--> 735\u001b[0m     effective_kwargs \u001b[38;5;241m=\u001b[39m {\n\u001b[1;32m    736\u001b[0m         \u001b[38;5;124m'\u001b[39m\u001b[38;5;124mverticalalignment\u001b[39m\u001b[38;5;124m'\u001b[39m: \u001b[38;5;124m'\u001b[39m\u001b[38;5;124mbaseline\u001b[39m\u001b[38;5;124m'\u001b[39m,\n\u001b[1;32m    737\u001b[0m         \u001b[38;5;124m'\u001b[39m\u001b[38;5;124mhorizontalalignment\u001b[39m\u001b[38;5;124m'\u001b[39m: \u001b[38;5;124m'\u001b[39m\u001b[38;5;124mleft\u001b[39m\u001b[38;5;124m'\u001b[39m,\n\u001b[1;32m    738\u001b[0m         \u001b[38;5;124m'\u001b[39m\u001b[38;5;124mtransform\u001b[39m\u001b[38;5;124m'\u001b[39m: \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mtransData,\n\u001b[1;32m    739\u001b[0m         \u001b[38;5;124m'\u001b[39m\u001b[38;5;124mclip_on\u001b[39m\u001b[38;5;124m'\u001b[39m: \u001b[38;5;28;01mFalse\u001b[39;00m,\n\u001b[1;32m    740\u001b[0m         \u001b[38;5;241m*\u001b[39m\u001b[38;5;241m*\u001b[39m(fontdict \u001b[38;5;28;01mif\u001b[39;00m fontdict \u001b[38;5;129;01mis\u001b[39;00m \u001b[38;5;129;01mnot\u001b[39;00m \u001b[38;5;28;01mNone\u001b[39;00m \u001b[38;5;28;01melse\u001b[39;00m {}),\n\u001b[1;32m    741\u001b[0m         \u001b[38;5;241m*\u001b[39m\u001b[38;5;241m*\u001b[39mkwargs,\n\u001b[1;32m    742\u001b[0m     }\n\u001b[1;32m    743\u001b[0m     t \u001b[38;5;241m=\u001b[39m mtext\u001b[38;5;241m.\u001b[39mText(x, y, text\u001b[38;5;241m=\u001b[39ms, \u001b[38;5;241m*\u001b[39m\u001b[38;5;241m*\u001b[39meffective_kwargs)\n\u001b[1;32m    744\u001b[0m     \u001b[38;5;28;01mif\u001b[39;00m t\u001b[38;5;241m.\u001b[39mget_clip_path() \u001b[38;5;129;01mis\u001b[39;00m \u001b[38;5;28;01mNone\u001b[39;00m:\n",
-      "\u001b[0;31mTypeError\u001b[0m: 'str' object is not a mapping"
-     ]
-    }
-   ],
-   "source": [
-    "ax.text(loc[0] + 10, loc[1], loc[2], l)"
-   ]
-  },
   {
    "cell_type": "code",
    "execution_count": 11,