language: python
python:
    - "2.7"
    - "3.5"
    - "3.6"
script: 
    - "python setup.py test"
before_install:
  pip install codecov
after_success:
  codecov
language: python
python:
    - "3.7"
script: 
    - "python setup.py test"
before_install:
  pip install codecov
after_success:
  codecov
Remove Python 2 and older Python 3 compatibility
Remove Python 2 and older Python 3 compatibility