use the local llm in the agent

Use the local llm defined earlier.

Author: 0xmohit

llamaindex-mcp/ollama_client.ipynb

@@ -167,7 +167,7 @@
     "        name=\"Agent\",\n",
     "        description=\"An agent that can work with Our Database software.\",\n",
     "        tools=tools,\n",
-    "        llm=OpenAI(model=\"gpt-4\"),\n",
+    "        llm=llm,\n",
     "        system_prompt=SYSTEM_PROMPT,\n",
     "    )\n",
     "    return agent"