Add workflows to GHA configuration for typechecking

Author: hayat01sh1da

.github/workflows/python.yml

@@ -33,14 +33,17 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install flake8 pytest
+          pip install flake8 mypy pytest
           if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
       - 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: Typecheck with mypy
+        working-directory: ./python
+        run: mypy .
       - name: Run UnitTest
         working-directory: ./python
         run: python test/test_application.py