Fix incorrect plotting behavior when multiple sytems used

4 jobs for theo-cli in 35 minutes and 21 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Build
passed #129344
docker
build_linux_27

00:15:27

84.0%
passed #129345
docker
build_linux_36

00:15:34

84.0%
passed #129346
macosx
build_macosx_27

00:27:14

84.0%
passed #129347
macosx
build_macosx_36

00:24:44

84.0%