remove unused import

4 jobs for amir in 40 minutes and 44 seconds (queued for 16 minutes and 8 seconds)
Status Job ID Name Coverage
  Build
passed #133357
docker
build_linux_27

00:31:30

56.0%
passed #133358
docker
build_linux_36

00:26:42

56.0%
passed #133359
macosx
build_macosx_27

00:37:44

56.0%
passed #133360
macosx
build_macosx_36

00:36:29

56.0%