Test to add namespace to docker image path

.gitlab-industrial-ci-kinetic-with-rosinstall.yml

@@ -95,7 +95,7 @@ clang_format:
 ## other options like pylint, but much faster and less strict
 ##########################################################
 python_syntax:
-  image: tecnalia-docker-dev.artifact.tecnalia.com/docker:git
+  image: tecnalia-docker-dev.artifact.tecnalia.com/docker/docker:git
   before_script:
     - apk add --update python2
   stage: precheck