```diff
--- test_files/189-original.txt	2025-03-07 19:06:31
+++ test_files/189-modified.txt	2025-03-07 19:06:31
@@ -6,15 +6,17 @@
 from llama_index.core.agent import FunctionCallingAgentWorker
 from llama_index.core.llms import ChatMessage
 from llama_index.llms.groq import Groq
+from llama_index.llms.openai import OpenAI
 from datetime import datetime
 from llama_index.core import Settings
 
 # Load environment variables from .env file
 dotenv.load_dotenv()
-Settings.llm = Groq(model="llama3-groq-70b-8192-tool-use-preview", api_key=os.environ["GROQ_API_KEY"])
-llm = Groq(model="llama-3.2-3b-preview", api_key=os.environ["GROQ_API_KEY"])
+#Settings.llm = Groq(model="llama3-groq-70b-8192-tool-use-preview", api_key=os.environ["GROQ_API_KEY"])
+#llm = Groq(model="llama-3.2-3b-preview", api_key=os.environ["GROQ_API_KEY"])
+Settings.llm = OpenAI(model="gpt-4o")
+llm = OpenAI(model="gpt-4o")
 
-
 # Initialize the ComposioToolSet
 toolset = ComposioToolSet()
 
\ No newline at end of file
@@ -48,7 +50,7 @@
 
 # Initialize a FunctionCallingAgentWorker with the tools, LLM, and system messages
 agent = FunctionCallingAgentWorker(
-    tools=tools,  # Tools available for the agent to use
+    tools=tools,  # Tools available for the agent to use # type: ignore
     llm=llm,  # Language model for processing requests
     prefix_messages=prefix_messages,  # Initial system messages for context
     max_function_calls=10,  # Maximum number of function calls allowed
\ No newline at end of file
```
