Update app.py

app.py

@@ -3,11 +3,11 @@ import json
 from flask import Flask, render_template, request, jsonify, Response
 from google import genai
 import markdown
-
+import os
 app = Flask(__name__)
 
-# Replace with your actual Gemini API key
-client = genai.Client(api_key="GOOGLE_API_KEY")
+api_key = os.getenv("GEMINI_API_KEY")
+client = genai.Client(api_key=api_key)
 
 def validate_coordinates(lat, lon):
     """Validate and convert latitude and longitude to float."""