+addons:
+ apt:
+ packages:
+ - python-psycopg2
+ - python3-psycopg2
+ postgresql: "9.4"
+
+matrix:
+ include:
+ - python: "2.7"
+ env: TOXENV=py27
+ - python: "3.4"
+ env: TOXENV=py34
+ - python: "3.5"
+ env: TOXENV=py35
+ - python: "3.6"
+ env: TOXENV=py36
+ - python: "2.7"
+ env: TOXENV=py27-postgres
+ - python: "3.4"
+ env: TOXENV=py34-postgres
+ - python: "3.5"
+ env: TOXENV=py35-postgres
+ - python: "3.6"
+ env: TOXENV=py36-postgres
+ - python: "2.7"
+ env: TOXENV=py27-sqlite
+ - python: "3.4"
+ env: TOXENV=py34-sqlite
+ - python: "3.5"
+ env: TOXENV=py35-sqlite
+ - python: "3.6"
+ env: TOXENV=py36-sqlite
+ - python: "2.7"
+ env: TOXENV=py27-flake8
+ - python: "3.4"
+ env: TOXENV=py34-flake8