add comment

Signed-off-by: Nitish Bharambe <nitish.bharambe@alliander.com>

docs/examples/arrow_example.ipynb

@@ -162,6 +162,7 @@
     "        if attributes is not None and meta_attribute not in attributes:\n",
     "            continue\n",
     "        if dtype.shape == (3,):\n",
+    "            # The asymmetric attributes are stored as a fixed list array of 3 elements\n",
     "            pa_dtype = pa.list_(pa.from_numpy_dtype(dtype.base), 3)\n",
     "        else:\n",
     "            pa_dtype = pa.from_numpy_dtype(dtype)\n",
@@ -802,34 +803,6 @@
     "pa_asym_node_result"
    ]
   },
-  {
-   "cell_type": "code",
-   "execution_count": 14,
-   "metadata": {},
-   "outputs": [
-    {
-     "data": {
-      "text/plain": [
-       "<pyarrow.lib.DoubleArray object at 0x000001C0F99C7AC0>\n",
-       "[\n",
-       "  1,\n",
-       "  0.01,\n",
-       "  0.011,\n",
-       "  2,\n",
-       "  2.5,\n",
-       "  450\n",
-       "]"
-      ]
-     },
-     "execution_count": 14,
-     "metadata": {},
-     "output_type": "execute_result"
-    }
-   ],
-   "source": [
-    "pa.array(asym_load_input[\"p_specified\"].flatten(), type=pa.float64())"
-   ]
-  },
   {
    "cell_type": "markdown",
    "metadata": {},