update model loading os logic

app.py

@@ -4,6 +4,7 @@ import numpy as np
 import matplotlib.pyplot as plt
 import seaborn as sns
 import joblib
+import os
 
 plt.style.use('seaborn-v0_8-muted')
 sns.set_theme(style="whitegrid")
@@ -12,11 +13,18 @@ import warnings
 warnings.filterwarnings('ignore')
 
 # Load mô hình
+model_path = "dental_models_v1.pkl"
+
+print(f"📂 Đang kiểm tra file tại: {os.getcwd()}/{model_path}")
+
 try:
-    models = joblib.load('dental_models_v1.pkl')
-    print("✅ Load model thành công.")
-except:
-    print("⚠️ Lỗi: Không tìm thấy file model.")
+    if os.path.exists(model_path):
+        models = joblib.load(model_path)
+        print("✅ Load model thành công.")
+    else:
+        print("⚠️ Lỗi: Không tìm thấy file model.")
+except Exception as e:
+    print(f"❌ Lỗi khi load model: {e}")
 
 def preprocess_input(tuoi, gioi_tinh, ben_pt, kinh_nghiem,
                      r7, canh_dung, goc, chan_rang, ord_lq,