Comment out pycodestyle lint.

.github/workflows/lint_python.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.9', '3.10', '3.11']
+        python-version: ['3.10', '3.11']
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python-version }}
@@ -20,5 +20,5 @@ jobs:
           pip install pycodestyle pyflakes
       - name: Analysing the code with pycodestyle
         run: |
-          pycodestyle --first --ignore=F401,E501 $(git ls-files '*.py')
+          # pycodestyle --first --ignore=F401,E501 $(git ls-files '*.py')
           pyflakes $(git ls-files '*.py')