language: python
python:
- '3.5'
install:
- python setup.py install
- pip install -r docs/requirements.txt
- pip install coveralls
script:
- python setup.py test
- cd docs && make doctest
- coveralls

language: python
python:
- '3.5'
- '3.6'
install:
- python setup.py install
- pip install -r docs/requirements.txt
- pip install coveralls
script:
- python setup.py test
- cd docs && make doctest && cd ..
after_success:
- coveralls

Test newer Python version, fix coveralls
Test newer Python version, fix coveralls

Let's try also Python 3.6, nightly doesn't work well at Travis CI (causing error on install of Python nightly package, so maybe later). There was also mistake with cd so coveralls couldn't sent the coverage info.
