See <https://builds.apache.org/job/beam_PostCommit_Py_VR_Dataflow/1492/display/redirect?page=changes>
- Build failed in Jenkins: beam_PostCommit_Py_VR_Dataf... Apache Jenkins Server
- Build failed in Jenkins: beam_PostCommit_Py_VR_... Apache Jenkins Server
- Jenkins build is back to normal : beam_Post... Apache Jenkins Server