add mypy to github workflow and start fixing errors

.github/workflows/test.yml

@@ -37,13 +37,16 @@ jobs:
         pip install netifaces
         pip install python-dotenv
         if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
+        if [ -f requirements-mypy.txt ]; then pip install -r requirements-mypy.txt; fi
         pip install .
     - name: Lint with flake8
       run: |
         # stop the build if there are Python syntax errors or undefined names
         flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
         # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
         flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+    - name: Type check with mypy
+      run: mypy -p BAC0
     - name: Test with pytest
       run: |
         coverage run --source BAC0 -m pytest -v
@@ -55,7 +58,7 @@ jobs:
         GITHUB_TOKEN: ${{ secrets.COVERALLS_TOKEN }}
         COVERALLS_FLAG_NAME: ${{ matrix.test-name }}
 
-        
+
 #  coveralls:
 #    name: Indicate completion to coveralls.io
 #    needs: build

BAC0/core/devices/mixins/CommandableMixin.py

@@ -1,4 +1,5 @@
 #!/usr/bin/env python
+# type: ignore
 
 """
 Rebuilt Commandable

BAC0/core/io/Simulate.py

@@ -1,4 +1,5 @@
 #!/usr/bin/python
+# type: ignore
 # -*- coding: utf-8 -*-
 #
 # Copyright (C) 2015 by Christian Tremblay, P.Eng <[email protected]>