diff --git a/cookbook/pocketflow-agent/demo.ipynb b/cookbook/pocketflow-agent/demo.ipynb
index eb18a4e..fa15529 100644
--- a/cookbook/pocketflow-agent/demo.ipynb
+++ b/cookbook/pocketflow-agent/demo.ipynb
@@ -69,7 +69,7 @@
         "from duckduckgo_search import DDGS\n",
         "\n",
         "def call_llm(prompt):\n",
-        "    client = OpenAI(api_key=\"os.environ.get(\"OPENAI_API_KEY\", \"your-api-key\")\")\n",
+        "    client = OpenAI(api_key=\"your-api-key\")\n",
         "    r = client.chat.completions.create(\n",
         "        model=\"gpt-4o\",\n",
         "        messages=[{\"role\": \"user\", \"content\": prompt}]\n",
@@ -366,4 +366,4 @@
   },
   "nbformat": 4,
   "nbformat_minor": 0
-}
\ No newline at end of file
+}