try merge cells

Author: juanitorduz

doc/gallery/introduction/pytensor_intro.ipynb

@@ -44,14 +44,8 @@
    "id": "0427f803",
    "metadata": {},
    "source": [
-    "## Prepare Notebook"
-   ]
-  },
-  {
-   "cell_type": "markdown",
-   "id": "845cfe7a",
-   "metadata": {},
-   "source": [
+    "## Prepare Notebook\n",
+    "\n",
     ":::{include} ../extra_installs.md\n",
     ":::"
    ]
@@ -3403,11 +3397,6 @@
    "version": "3.12.11"
   }
  },
-"myst": {
-    "substitutions": {
-        "extra_dependencies": "graphviz matplotlib pymc scikit-learn"
-    }
-},
  "nbformat": 4,
  "nbformat_minor": 5
 }