Merge branch 'dask-pipelines' into 'master'

API Change

See merge request !43
3 jobs for master in 5 minutes and 32 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
passed #219469
docker
build_linux_37

00:04:08

81.0%
passed #219468
macosx
build_macosx_37

00:04:28

81.0%
 
  Deploy
passed #219470
docker
deploy_beta

00:01:04