Add mypy and black to CI

Author: borntyping

.github/workflows/ci.yml

@@ -2,12 +2,11 @@ name: "CI"
 on: "push"
 jobs:
   lint:
-    name: "🐍 Test Python modules"
+    name: "🐍 Lint Python modules"
     runs-on: "ubuntu-latest"
     strategy:
       matrix:
         python-version: ["3.5", "3.6", "3.7", "3.8", "3.9"]
-        dependencies: ["", "colorama"]
     steps:
       - uses: "actions/checkout@master"
       - name: "🐍 Set up Python ${{ matrix.python-version }}"
@@ -17,9 +16,30 @@ jobs:
       - name: "🐍 Display Python version"
         run: "python --version"
       - name: "🐍 Install dependencies"
-        run: "python -m pip install --user flake8 pytest ${{ matrix.dependencies }}"
+        run: "python -m pip install --user black flake8 mypy"
+      - name: "🐍 Run mypy"
+        run: "python -m mypy ."
       - name: "🐍 Run flake8"
         run: "python -m flake8"
+      - name: "🐍 Run black"
+        run: "python -m black --check ."
+  test:
+    name: "🐍 Test Python modules"
+    runs-on: "ubuntu-latest"
+    strategy:
+      matrix:
+        python-version: ["3.5", "3.6", "3.7", "3.8", "3.9"]
+        dependencies: ["", "colorama"]
+    steps:
+      - uses: "actions/checkout@master"
+      - name: "🐍 Set up Python ${{ matrix.python-version }}"
+        uses: "actions/setup-python@v2"
+        with:
+          python-version: "${{ matrix.python-version }}"
+      - name: "🐍 Display Python version"
+        run: "python --version"
+      - name: "🐍 Install dependencies"
+        run: "python -m pip install --user pytest ${{ matrix.dependencies }}"
       - name: "🐍 Run pytest"
         run: "python -m pytest"
   publish: