[Python] Expected type 'BaseChatModel', got 'ChatGoogleGenerativeAI' instead In Agent AI

I am trying to create a AI Automation Agent for my QA project .

I have Python 3.1x installed, PyCharm as IDE. I have imported browser-use, pydantic, lang chain, google-generative-ai libraries from the settings of PyCharm.

Next, I have created a task and specified agent as below.

from browser_use.agent.service import Agent
from langchain_google_genai import ChatGoogleGenerativeAI

async def SiteValidation():
task = (
'I am a UI automation UI tester validating this task'
'Open the website https://www.google.com'
)
llm=ChatGoogleGenerativeAI(model='',api_key='')
Agent(task,llm)


But the llm parameter [i.e Agent(task,llm)] throws an error. It says as below.

Expected type 'BaseChatModel', got 'ChatGoogleGenerativeAI' instead


I have tried downgrading the version as well. Nothing worked.

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