Enable docker images release (#92)

* Enable docker images release

* remove corresponding todo

Author: denismakogon

.circleci/config.yml

@@ -42,15 +42,17 @@ jobs:
           key: deps1-{{ .Branch }}-{{ checksum "requirements.txt" }}
       - setup_remote_docker:
           docker_layer_caching: true
+      - run:
+          command: |
+            sudo pip install twine
       - deploy:
           command: |
             if [[ "${CIRCLE_BRANCH}" == "master" && -z "${CIRCLE_PR_REPONAME}" ]]; then
               printenv DOCKER_PASS | docker login -u $DOCKER_USER --password-stdin
               ./build-images.sh 3.6
               ./build-images.sh 3.7.1
-              # todo: figure out why circle unable to push images
-              # ./release_images.sh
               ./release.sh
+              ./release_images.sh
             fi
 
   "python36_security_check":