Update app.py

app.py

@@ -3,6 +3,11 @@ import gradio as gr
 import requests
 import inspect
 import pandas as pd
+from langgraph.prebuilt import ToolNode, tools_condition
+from langgraph.graph.message import add_messages
+from langchain_core.messages import AnyMessage, HumanMessage
+from langgraph.graph import START, StateGraph
+from langchain_google_genai import ChatGoogleGenerativeAI
 
 # (Keep Constants as is)
 # --- Constants ---
@@ -10,6 +15,8 @@ DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
 
 # --- Basic Agent Definition ---
 # ----- THIS IS WERE YOU CAN BUILD WHAT YOU WANT ------
+gemini_api_key = os.getenv("GEMINI_API_KEY")
+tivaly_api_key = os.getenv()
 class BasicAgent:
     def __init__(self):
         print("BasicAgent initialized.")