Update app.py

app.py

@@ -5,11 +5,12 @@ from langchain.tools import Tool
 from langchain.agents import initialize_agent
 from langchain.agents import AgentType
 from langchain.tools import DuckDuckGoSearchRun
+import os
 from google.colab import userdata # Securely storing API keys
 
 
 # Configure LangChain LLM with Gemini
-llm = ChatGoogleGenerativeAI(model="gemini-1.5-flash", google_api_key=GEMINI_API_KEY)
+llm = ChatGoogleGenerativeAI(model="gemini-1.5-flash", google_api_key=os.getenv("gemini_api"))
 
 # Use DuckDuckGo Search (no API key needed)
 ddgs = DuckDuckGoSearchRun()