language: python
python:
  - 2.6
  - 2.7
  - 3.2
  - 3.3
  - 3.4
  - 3.5
  - 3.6
  - nightly
script:
  - make test

language: python
python:
  - 2.7
  - 3.4
  - 3.5
  - 3.6
  - 3.7
  - nightly
script:
  - make test

Update list of Python versions supported by Travis
Update list of Python versions supported by Travis
