Update app.py

app.py

@@ -336,7 +336,7 @@ else:
         # đúng thứ tự mô hình simple
         simple_features += [sotc_qua, sotcno, TBCHK]
 
-    final_features = np.array(simple_features).reshape(1, -
+    final_features = np.array(simple_features).reshape(1, -1)
 # ===============================
 #         PREDICT BUTTON
 # ===============================