language: python
python:
    - 2.6
    - 2.7
    - pypy
install:
    - if [[ $TRAVIS_PYTHON_VERSION == '2.6' ]]; then pip install --use-mirrors unittest2; fi
    - if [[ $TRAVIS_PYTHON_VERSION == '2.7' ]]; then pip install --use-mirrors pyev; fi
    - pip install --use-mirrors tornado twisted pyyaml 
script: nosetests

language: python
python:
    - 2.6
    - 2.7
install:
    - if [[ $TRAVIS_PYTHON_VERSION == '2.6' ]]; then pip install --use-mirrors unittest2; fi
    - pip install --use-mirrors tornado twisted pyyaml 
script: nosetests

Remove pypy and installation attempt of pyev
Remove pypy and installation attempt of pyev
