Add mypy check GitHub Actions workflow

.github/workflows/check.yml

@@ -0,0 +1,33 @@
+name: check
+on: [push, pull_request]
+jobs:
+  flake8:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v1
+    - name: Set up Python 3.9
+      uses: actions/setup-python@v1
+      with:
+        python-version: 3.9
+    - name: Install flake8
+      run: |
+        pip install flake8 flake8-import-order flake8-commas flake8-logging-format
+    - name: Run flake8
+      run: |
+        flake8 --version
+        flake8
+  mypy:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v1
+    - name: Set up Python 3.9
+      uses: actions/setup-python@v1
+      with:
+        python-version: 3.9
+    - name: Install mypy
+      run: |
+        pip install mypy
+    - name: Run mypy
+      run: |
+        mypy --version
+        mypy nginx_krbauth.py

.github/workflows/flake8.yml

@@ -1,18 +0,0 @@
-name: flake8
-on: [push, pull_request]
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v1
-    - name: Set up Python 3.8
-      uses: actions/setup-python@v1
-      with:
-        python-version: 3.8
-    - name: Install flake8
-      run: |
-        pip install flake8 flake8-import-order flake8-commas flake8-logging-format
-    - name: Run flake8
-      run: |
-        flake8 --version
-        flake8