Wrap SR tutorial solution with dict() for now

The changes to `SingleMatching` are causing issues downstream.

Still not sure what this will look like for SR in the future, but this
will do for now.

docs/tutorials/stable_roommates.ipynb

@@ -100,7 +100,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 5,
+   "execution_count": 4,
    "metadata": {},
    "outputs": [
     {
@@ -109,13 +109,13 @@
        "{jerry: george, george: jerry, kramer: elaine, elaine: kramer}"
       ]
      },
-     "execution_count": 5,
+     "execution_count": 4,
      "metadata": {},
      "output_type": "execute_result"
     }
    ],
    "source": [
-    "game.solve()"
+    "dict(game.solve())"
    ]
   },
   {
@@ -129,13 +129,10 @@
   }
  ],
  "metadata": {
-  "interpreter": {
-   "hash": "a8c967c2db996a903b0ac2ddddd52d1718dfee8994011f28d022363595a494ba"
-  },
   "kernelspec": {
-   "display_name": "matching-docs",
+   "display_name": "matching",
    "language": "python",
-   "name": "matching-docs"
+   "name": "python3"
   },
   "language_info": {
    "codemirror_mode": {
@@ -147,7 +144,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.8.16"
+   "version": "3.11.10"
   }
  },
  "nbformat": 4,