Test only on Python 3.7

With the last build we know that Python 2.7 is successful in 1h30 so now we can focus only on Python 3.7

.github/workflows/pythonpackage.yml

@@ -6,9 +6,10 @@ jobs:
  build:
  runs-on: ubuntu-latest
  strategy:
- max-parallel: 2
+ max-parallel: 1
  matrix:
- python-version: [2.7] #, 3.7] # 3.5, 3.6, 
+ # GitHub Actions / build (2.7) successful in 1h 30m 7s
+ python-version: [3.7] # [2.7, 3.5, 3.6,, 3.7] 
  steps:
  - uses: actions/checkout@v1
  - name: Set up Python ${{ matrix.python-version }}
@@ -19,17 +20,10 @@ jobs:
  run: |
  python -m pip install --upgrade pip
  pip install -r requirements.txt || true
- - 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
  - name: make lint
  run: |
  make lint
  - name: make test
  run: |
  python ./configure.py
- make test || true # When the Python 3 run fails, allow the Python 2 run to complete
+ make test