diff --git a/.github/workflows/style_and_error_checker.yml b/.github/workflows/style_and_error_checker.yml
index ee0d556..a8f9d22 100644
--- a/.github/workflows/style_and_error_checker.yml
+++ b/.github/workflows/style_and_error_checker.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.9', '3.10', '3.11']
+        python-version: ["3.9", "3.10", "3.11"]
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python-version }}