mypy fail test

.github/workflows/pythonpackage.yml

@@ -30,11 +30,12 @@ jobs:
         flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
     - name: install coverage
       run: pip install coverage
-    - name: Mypy Check
-      uses: jpetrucciani/mypy-check@0.761
-      with:
-        path: './AerialNavigation ./PathPlanning'
-    - name: Test
+    - name: install mypy
+      run: pip install mypy
+    - name: mypy check
+      run: |
+        - find . -name "*.py" | xargs mypy
+    - name: do all unit tests
       run: bash runtests.sh