update key google

app.py

@@ -1,7 +1,6 @@
 import os, datetime, math, numexpr, logging, requests, uuid
 import gradio as gr
 
-from kaggle_secrets import UserSecretsClient
 from langchain_google_genai import ChatGoogleGenerativeAI
 from langchain_google_genai import GoogleGenerativeAIEmbeddings
 from langchain_core.documents import Document
@@ -14,8 +13,7 @@ from langchain.prompts import PromptTemplate, HumanMessagePromptTemplate, ChatPr
 from langchain.vectorstores import FAISS
 
 # === SETUP ===
-GOOGLE_API_KEY = UserSecretsClient().get_secret("GOOGLE_API_KEY")
-os.environ["GOOGLE_API_KEY"] = GOOGLE_API_KEY
+GOOGLE_API_KEY = os.environ.get("GOOGLE_API_KEY")
 
 # === LLM ===
 llm = ChatGoogleGenerativeAI(model="gemini-2.0-flash")