language: python
matrix:
  include:
    - python: 2.7
    - python: 3.6  
  allow_failures:
    - python: 3.6
install:
  - pip install --upgrade pip
  - pip install -r requirements.txt
  - pip install flake8
before_script:
  # stop the build if there are Python syntax errors or undefined names
  - flake8 . --count --select=E901,E999,F821,F822,F823 --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
script: true  # pytest
notifications:
  email: false
  slack:
    secure: kDWVy90sDY+o3g0/ZTGX2D+PTbzhtd74Whe1AJHhcUDobTUzkch8GtY9eZxybZk4nga9lQxL6YeJ72SfBBEPaLzXcUMe0YcNaBydkQHcipKZn+Vcb8kf2FiZC6YwsUYfTvvH9MPLbkZOZvsNyd0h85z+hYMB8jHsq6Yn5gf79BA=
    on_failure: always
    on_success: change