language: python
python:
    - "2.6"
    - "2.7"

script: py.test test_requests_kerberos.py

language: python
python:
    - "2.6"
    - "2.7"
    - "3.3"
    - "3.4"

script: py.test test_requests_kerberos.py

Add Python 3 testing to Travis.
Add Python 3 testing to Travis.
