sudo: false

language: python

python:
  - "3.4"

install: 
  - "pip3 install pytest"

script: python3 -m pytest

sudo: false

language: python

python:
  - "3.2"
  - "3.3"
  - "3.4"
  - "3.5"

install: 
  - "pip3 install pytest"

script: python3 -m pytest

Add Python versions into TravisCI
Add Python versions into TravisCI