language: python
python:
  - "2.6"
  - "2.7"
  - "3.2"
install: "pip install pyserial"
script: python setup.py test

language: python
python:
  - "2.6"
  - "2.7"
  - "3.2"
before_install:
    - pip install pyserial
    - sudo apt-get update -qq
    - sudo apt-get install libusb-1.0-0
script: python setup.py test

Install USB backend in CI.
Install USB backend in CI.
