diff --git a/.github/workflows/pythonpackage.yml b/.github/workflows/pythonpackage.yml
index 1680311..6c0331b 100644
--- a/.github/workflows/pythonpackage.yml
+++ b/.github/workflows/pythonpackage.yml
@@ -13,27 +13,26 @@ jobs:
   build:
 
     runs-on: ubuntu-latest
+
     strategy:
       matrix:
         python-version: [3.7, 3.8]
 
     steps:
     - uses: actions/checkout@v2
+
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v1
       with:
         python-version: ${{ matrix.python-version }}
+
     - name: Install
       run: |
         python -m pip install --upgrade pip
-        pip install -e .[tests]
-    - name: Lint with flake8
-      run: |
-        pip install flake8
-        # 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
+        pip install -e .[tests,ci]
+        pip freeze
+
     - name: Test with pytest
       run: |
-        pytest
+        pytest -m 'not mce_todo' -x
+