Code cov: Attempt to fix, properly this time

.github/workflows/codecov.yml

@@ -11,15 +11,23 @@ jobs:
       PYTHON: '3.7'
     steps:
     - uses: actions/checkout@master
+    - name: Download submodules
+      run: |
+        git submodule update --init --recursive
+        git submodule sync -q
+        git submodule update --init
     - name: Setup Python
       uses: actions/setup-python@master
       with:
         python-version: 3.7
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install -r test-requirements.txt
     - name: Generate coverage report
       run: |
         pip install pytest
         pip install pytest-cov
-        pip install js2py
         pytest --cov=./ --cov-report=xml
     - name: Upload coverage to Codecov
       uses: codecov/codecov-action@v1