Use create_react_agent (#441)

examples/chat_agent_executor_with_function_calling/high-level-tools.ipynb

@@ -5,7 +5,7 @@
    "id": "8bcd1a3d-7c50-4f58-be4e-1ed654aa33be",
    "metadata": {},
    "source": [
-    "# Chat Executor: with tool calling\n",
+    "# ReAct agent with tool calling\n",
     "\n",
     "This notebook walks through an example creating a ReAct Agent that uses tool calling.\n",
     "This is useful for getting started quickly.\n",
@@ -32,7 +32,7 @@
    "source": [
     "from langchain_openai import ChatOpenAI\n",
     "from langchain_community.tools.tavily_search import TavilySearchResults\n",
-    "from langgraph.prebuilt import chat_agent_executor\n",
+    "from langgraph.prebuilt import create_react_agent\n",
     "from langchain_core.messages import HumanMessage"
    ]
   },
@@ -64,7 +64,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "app = chat_agent_executor.create_tool_calling_executor(model, tools)"
+    "app = create_react_agent(model, tools=tools)"
    ]
   },
   {