Update app.py

app.py

@@ -6,18 +6,19 @@ from langchain_tavily import TavilySearch
 from langgraph.prebuilt import create_react_agent
 from langgraph.checkpoint.memory import InMemorySaver
 import uuid
+import os
 
 # Set up LLM
 llm = ChatGroq(
     temperature=0,
-    groq_api_key='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',
+    groq_api_key=os.getenv("GROQ_API_KEY"),
     model_name="llama-3.3-70b-versatile"
 )
 
 # Define tools
 search_tool = TavilySearch(
     max_results=5,
-    tavily_api_key='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'
+    tavily_api_key=os.getenv("TAVILY_API_KEY")'
 )
 
 tools = [search_tool]