Update app.py

app.py

@@ -3,11 +3,14 @@ from langchain_google_genai import ChatGoogleGenerativeAI
 from langchain_community.tools import DuckDuckGoSearchRun
 from langchain.agents import Tool
 import gradio as gr
+from dotenv import load_dotenv
+
+load_dotenv()
 
 llm = ChatGoogleGenerativeAI(model="gemini-pro",
                              verbose=True,
                              temperature=0.75,
-                             google_api_key="API_KEY")
+                             google_api_key=os.getenv('API_KEY'))
 
 duckduckgo_search = DuckDuckGoSearchRun()