Update agent.py

agent.py

@@ -6,6 +6,7 @@ from langchain_core.messages import HumanMessage, SystemMessage
 from langchain_openai import ChatOpenAI
 from langchain_community.tools import DuckDuckGoSearchResults
 from langchain_community.utilities import DuckDuckGoSearchAPIWrapper
+from langchain_google_genai import ChatGoogleGenerativeAI
 import wikipediaapi
 import json
 from urllib.parse import urlparse