From 3ec3b071bb87ccb64b6048c49c33b253a47fb72b Mon Sep 17 00:00:00 2001
From: Takanori Sugiyama <39614848+tknrsgym@users.noreply.github.com>
Date: Wed, 21 Jul 2021 15:20:39 +0900
Subject: [PATCH] Update requirements-dev.txt

Fix versions of sphinx and nbsphinx to avoid their latest versions' issue.
---
 requirements-dev.txt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/requirements-dev.txt b/requirements-dev.txt
index 62e025f1..067612bf 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -3,13 +3,13 @@ black
 plotly
 pytest
 pytest-cov
-sphinx>=3.0
+sphinx == 4.0.2
 sphinx_rtd_theme
 ipykernel
 recommonmark
 pytest-randomly
 mypy
-nbsphinx
+nbsphinx == 0.8.6
 plotly
 plotly-express
 tqdm