```diff
--- test_files/019-original.txt	2025-03-07 19:06:14
+++ test_files/019-modified.txt	2025-03-07 19:06:14
@@ -2,16 +2,15 @@
 Langchain demo.
 """
 
-import os
+# isort: skip_file
 
 import dotenv
 from composio_langchain import Action, ComposioToolSet
+from langchain import hub  # type: ignore
 from langchain.agents import AgentExecutor, create_openai_functions_agent
 from langchain_openai import ChatOpenAI
 
-from langchain import hub  # type: ignore
 
-
 # Load environment variables from .env
 dotenv.load_dotenv()
 
@@ -19,7 +18,7 @@
 prompt = hub.pull("hwchase17/openai-functions-agent")
 
 # Initialize tools.
-openai_client = ChatOpenAI(api_key=os.environ["OPENAI_API_KEY"])
+openai_client = ChatOpenAI(model="gpt-4-turbo")
 
 
 def main():
@@ -27,11 +26,11 @@
 
     # Get All the tools
     tools = composio_toolset.get_actions(
-        actions=[Action.GITHUB_ACTIVITY_STAR_REPO_FOR_AUTHENTICATED_USER]
+        actions=[Action.GITHUB_STAR_A_REPOSITORY_FOR_THE_AUTHENTICATED_USER]
     )
 
     # Define task
-    task = "Star a repo SamparkAI/docs on GitHub"
+    task = "Star a repo composiohq/composio on GitHub"
 
     # Define agent
     agent = create_openai_functions_agent(openai_client, tools, prompt)
```
