github workflow for flake8 linting

.github/workflows/flake8.yml

@@ -0,0 +1,23 @@
+name: Flake8
+
+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.8"]
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v3
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install flake8
+      - name: flake8 linting
+        run: |
+          flake8 $(git ls-files '*.py')