fix linter for unused var

Author: ahibrahimm

scenarios/evaluate/Supported_Evaluation_Metrics/Agent_Evaluation/Evaluate_SK_Chat_Completion_Agent.ipynb

@@ -98,7 +98,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 3,
+   "execution_count": null,
    "id": "76781359",
    "metadata": {},
    "outputs": [],
@@ -122,6 +122,7 @@
     "    def get_item_price(\n",
     "        self, menu_item: Annotated[str, \"The name of the menu item.\"]\n",
     "    ) -> Annotated[str, \"Returns the price of the menu item.\"]:\n",
+    "        _ = menu_item # This is just to simulate a function that uses the input.\n",
     "        return \"$9.99\""
    ]
   },