Bugfix for reasoning-function-call notebook (#1800)

Author: tompakeman-oai

examples/reasoning_function_calls.ipynb

@@ -317,15 +317,21 @@
     "                    arguments = json.loads(response_item.arguments)\n",
     "                    print(f\"Invoking tool: {response_item.name}({arguments})\")\n",
     "                    tool_output = target_tool(**arguments)\n",
-    "                    intermediate_messages.append({\n",
-    "                        \"type\": \"function_call_output\",\n",
-    "                        \"call_id\": response_item.call_id,\n",
-    "                        \"output\": tool_output\n",
-    "                    })\n",
     "                except Exception as e:\n",
-    "                    tool_output = f\"Error executing function call: {function_call.name}: {e}\"\n",
+    "                    msg = f\"Error executing function call: {response_item.name}: {e}\"\n",
+    "                    tool_output = msg\n",
+    "                    print(msg)\n",
     "            else:\n",
-    "                print(f\"ERROR - No tool registered for function call: {function_call.name}\")\n",
+    "                msg = f\"ERROR - No tool registered for function call: {response_item.name}\"\n",
+    "                tool_output = msg\n",
+    "                print(msg)\n",
+    "            intermediate_messages.append({\n",
+    "                \"type\": \"function_call_output\",\n",
+    "                \"call_id\": response_item.call_id,\n",
+    "                \"output\": tool_output\n",
+    "            })\n",
+    "        elif response_item.type == 'reasoning':\n",
+    "            print(f'Reasoning step: {response_item.summary}')\n",
     "    return intermediate_messages"
    ]
   },