language: python
python:
  - "2.7"

install:
  - pip install -r requirements.txt
  - pip install tox
  - pip install coveralls
  - sudo python setup.py install_helpers --force

script: tox

after_success:
  - coveralls

language: python
python:
  - "2.7"

install:
  - pip install -r requirements.txt
  - pip install tox
  - pip install coveralls
  - sudo python bin/cot --force install-helpers

script: tox

after_success:
  - coveralls

Use cot install-helpers instead of setup.py install_helpers
Use cot install-helpers instead of setup.py install_helpers
