Travis file for importing graph_tool with python3

.travis.yml

sudo: required
dist: trusty
language: python
python:
  - "3.6"
# command to install dependencies
cache:
  - pip
  - apt

addons:
  apt:
    sources:
    - ubuntu-toolchain-r-test
    - sourceline: 'deb http://downloads.skewed.de/apt/trusty trusty universe'
      key_url: 'https://packagecloud.io/gpg.key'
    - sourceline: 'deb-src http://downloads.skewed.de/apt/trusty trusty universe'
      key_url: 'https://packagecloud.io/gpg.key'
    packages:
    - expat
    - libsparsehash-dev
    - gtk+3
    - libboost-all-dev
    - graphviz
    - build-essential
    - libcairo2-dev
    - python3-pip
    - python3-dev
    - python3-matplotlib
    - gfortran
    - libopenblas-dev
    - liblapack-dev
    - libcgal-dev
    - python3-numpy
    - python3-cairo
    - python3-scipy
    - libgomp1
    - libstdc++6
    - python3-graph-tool

install:
  - "pip install -r requirements.txt"

script:
  - pytest