language: python
python:
  - "2.7"
  - "3.3"
  - "3.4"
  - "3.5"
  - "pypy"
  - "pypy3"
  - "nightly"

install: pip install nose
script: nosetests

os:
  - linux
  - osx

language: python
python:
  - "2.7"
  - "3.3"
  - "3.4"
  - "3.5"
  - "pypy"
  - "pypy3"
  - "nightly"

install: pip install nose
script: nosetests

Add OS X to Travis configuration.
Add OS X to Travis configuration.
