Update app.py

app.py

@@ -38,6 +38,9 @@ from sklearn.model_selection import train_test_split, cross_val_score, Randomize
 import lightgbm as lgb
 from catboost import CatBoostRegressor
 from sklearn.ensemble import StackingRegressor
+from flask import Flask, render_template, request
+import pandas as pd
+import json  # ✅ Add this line
 
 app = Flask(__name__)