enable more test environments

.gitlab-ci.yml

@@ -33,30 +33,34 @@ after_script:
  - pip install codecov
  - codecov --token=0776fc46-cbe0-444f-9a8c-c887c34d48fb
 
-#python2:
- #image: python:2.7
- #stage: test
- #script: tox -e py27
+python2:
+ image: python:2.7
+ stage: test
+ script: tox -e py27
 
-#python34:
- #image: python:3.4
- #stage: test
- #script: tox -e py34
+python34:
+ image: python:3.4
+ stage: test
+ script: tox -e py34
 
 python35:
  image: python:3.5
  stage: test
  script: tox -e py35
 
-#python36:
- #image: python:3.6
- #stage: test
- #script: tox -e py36
+python36:
+ image: python:3.6
+ stage: test
+ script: tox -e py36
+
+python37:
+ image: python:3.7-rc
+ stage: test
+ script: tox -e py37
 
-#python37:
- #image: python:3.7-rc
- #stage: test
- #script: tox -e py37
+readme:
+ stage: test
+ script: tox -e readme
 
 docs:
  stage: test