Merge remote-tracking branch 'origin/main'

Author: petr12375

.github/workflows/linters.yml

@@ -0,0 +1,36 @@
+name: Linting
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v2
+
+    - name: Set up Python
+      uses: actions/setup-python@v2
+      with:
+        python-version: '3.x'
+
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install isort flake8 black
+
+    - name: Run isort
+      run: isort . --check-only
+
+    - name: Run flake8
+      run: flake8 .
+
+    - name: Run black
+      run: black . --check