fix gitlab ci

.gitlab-ci.yml

@@ -3,23 +3,26 @@ cache:
   paths:
     - .tox
 stages:
-  # - check_style
+  - check_style
   - build
 before_script:
   - pip install tox==2.9.1
+
 pep8:
   stage: check_style
   script:
     - tox -v -e pep8
+
 docstyle:
   stage: check_style
   script:
     - tox -v -e docstyle
+
 build_image:
   stage: build
   image: 'docker:18.09.7'
   only:
-    - develop
+    - master
   services:
     - 'docker:18.09.7-dind'
   variables:
@@ -31,9 +34,7 @@ build_image:
     - echo $DOCKER_PASSWORD > pass.txt
     - cat pass.txt | docker login --username $DOCKER_USERNAME --password-stdin
     - rm pass.txt
-    # - docker push $DOCKERHUB_NAME
     - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
     - docker image tag $DOCKERHUB_NAME $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG
-    # - docker image tag $DOCKERHUB_NAME $CI_REGISTRY_IMAGE:develop
     - docker push $CI_REGISTRY_IMAGE
-
+  
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