From 0cd0d84016087eead0f7a5b747571b3f92b56726 Mon Sep 17 00:00:00 2001
From: Copilot <198982749+Copilot@users.noreply.github.com>
Date: Tue, 22 Sep 2026 16:49:58 +0900
Subject: [PATCH] test: stabilize test workflow by removing Poetry lockfile
 coupling (#1258)

---
 .github/workflows/test.yml | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 3da9ecda..d85deb5b 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -31,9 +31,7 @@ jobs:
           python-version: ${{ matrix.python }}
       - name: Setup Graphviz
         uses: ts-graphviz/setup-graphviz@v2
-      - name: Install poetry
-        run: curl -sSL https://install.python-poetry.org | python3 - --version 2.2.1
       - name: Run all tests
         run: |
-          poetry install
-          poetry run python -m unittest -v tests/*.py
+          python -m pip install .
+          python -m unittest -v tests/*.py