From 34ba30272dd22bcafe8ecd0b7c1d7ec0974dd504 Mon Sep 17 00:00:00 2001
From: Fangjun Kuang <csukuangfj@gmail.com>
Date: Sat, 2 Apr 2022 12:51:18 +0800
Subject: [PATCH] Fix CI.

---
 .github/workflows/style_check.yml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/style_check.yml b/.github/workflows/style_check.yml
index e38f9d0..462a2db 100644
--- a/.github/workflows/style_check.yml
+++ b/.github/workflows/style_check.yml
@@ -45,7 +45,9 @@ jobs:
 
       - name: Install Python dependencies
         run: |
-          python3 -m pip install --upgrade pip black flake8
+          python3 -m pip install --upgrade pip black==21.6b0 flake8==3.9.2 click==8.0.4
+          # See https://github.com/psf/black/issues/2964
+          # The version of click should be selected from 8.0.0, 8.0.1, 8.0.2, 8.0.3, and 8.0.4
 
       - name: Run flake8
         shell: bash