From edabb38b8591caee46e2d3129ab7a41f1df4760e Mon Sep 17 00:00:00 2001
From: Yoshihiko Ozaki <30489874+y0z@users.noreply.github.com>
Date: Tue, 17 Dec 2024 18:04:02 +0900
Subject: [PATCH] Update recipes/007_benchmarks_advanced.py

Co-authored-by: Shuhei Watanabe <47781922+nabenabe0928@users.noreply.github.com>
---
 recipes/007_benchmarks_advanced.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/recipes/007_benchmarks_advanced.py b/recipes/007_benchmarks_advanced.py
index 9374fce..2eb36a5 100644
--- a/recipes/007_benchmarks_advanced.py
+++ b/recipes/007_benchmarks_advanced.py
@@ -77,7 +77,8 @@ def evaluate_constraints(self, params: dict[str, float]) -> tuple[float]:
         x = params["x"]
         c0 = x - 2
         if "y" not in params:
-            return [c0]
+            c1 = 0.0  # c1 <= 0, so c1 is satisfied in this case.
+            return c0, c1
         else:
             y = params["y"]
             c1 = x + y - 3