[plotters] fix import sys

6 jobs for fix_imports in 28 minutes and 1 second (queued for 4 seconds)
Status Job ID Name Coverage
  Build
passed #135653
docker
build_linux_27

00:08:20

45.0%
passed #135654
docker
build_linux_36

00:08:20

45.0%
passed #135655
macosx
build_macosx_27

00:10:39

45.0%
passed #135656
macosx
build_macosx_36

00:10:24

45.0%
 
  Docker
passed #135657
docker-build
docker_linux_27

00:17:15

48.0%
passed #135658
docker-build
docker_linux_36

00:16:56

48.0%