language: python
python:
  - "2.6"
  - "2.7"
  - "3.3"
  - "3.4"
  - "3.5"
# command to install dependencies
install: "pip install -r tests/requirements.txt"
# command to run tests
script: nosetests
branches:
  only:
    - master
after_success:
  coveralls

language: python
python:
  - "2.6"
  - "2.7"
  - "3.3"
  - "3.4"
  - "3.5"
  - "3.6"
  - "3.6-dev"
  - "3.7-dev"
  - "nightly"
# command to install dependencies
install: "pip install -r tests/requirements.txt"
# command to run tests
script: nosetests
branches:
  only:
    - master
after_success:
  coveralls

Add most recent Python versions in Travis CI
Add most recent Python versions in Travis CI

Add more recent Python versions including
development branches and nightly build.
