From 95c59333590599893e78d4cfe090962efffbce03 Mon Sep 17 00:00:00 2001
From: Kento Nozawa <nzw0301@preferred.jp>
Date: Sat, 25 Jan 2025 19:40:25 +0900
Subject: [PATCH 1/3] Update python version to 3.12

---
 .github/workflows/sphinx-build.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/sphinx-build.yml b/.github/workflows/sphinx-build.yml
index c94fcc3b..2c50c3cc 100644
--- a/.github/workflows/sphinx-build.yml
+++ b/.github/workflows/sphinx-build.yml
@@ -21,7 +21,7 @@ jobs:
 
     - uses: actions/setup-python@v5
       with:
-        python-version: 3.8
+        python-version: 3.12
 
     - name: Install Dependencies
       run: |

From 9cf2bc0c248e99085912283e9ebd69a815f3eda1 Mon Sep 17 00:00:00 2001
From: Kento Nozawa <nzw0301@preferred.jp>
Date: Sat, 25 Jan 2025 19:47:06 +0900
Subject: [PATCH 2/3] Replace deprecated `pkg_resources`.

Ref: https://setuptools.pypa.io/en/latest/pkg_resources.html
---
 docs/source/conf.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/docs/source/conf.py b/docs/source/conf.py
index 055b6355..478dd6fa 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -16,10 +16,10 @@
 # import sys
 # sys.path.insert(0, os.path.abspath('.'))
 
-import pkg_resources
+from importlib.metadata import version
 
 
-__version__ = pkg_resources.get_distribution("optuna-integration").version
+__version__ = version("optuna-integration")
 
 # -- Project information -----------------------------------------------------
 

From e77f30936495e52eee1014354a0572ad9b0a2c42 Mon Sep 17 00:00:00 2001
From: Kento Nozawa <nzw0301@preferred.jp>
Date: Sat, 25 Jan 2025 19:53:13 +0900
Subject: [PATCH 3/3] Use sphinx-notfound-page

---
 docs/source/conf.py | 1 +
 pyproject.toml      | 1 +
 2 files changed, 2 insertions(+)

diff --git a/docs/source/conf.py b/docs/source/conf.py
index 478dd6fa..6a67f190 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -42,6 +42,7 @@
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
 extensions = [
+    "notfound.extension",
     "sphinx.ext.autodoc",
     "sphinx.ext.autosummary",
     "sphinx.ext.doctest",
diff --git a/pyproject.toml b/pyproject.toml
index 96f0346e..f683bf7d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -56,6 +56,7 @@ document = [
     "scikit-learn>=0.24.2",
     "scipy>=1.9.2; python_version>='3.8'",
     "sphinx",
+    "sphinx-notfound-page",
     "sphinx_rtd_theme",
 ]
 allennlp = [