scripting: organize imports

Change-Id: I26a1164d44f464a44ed7deb93ac39465feb0541c
Reviewed-on: https://gerrit.libreoffice.org/11768
Reviewed-by: Noel Grandin <noelgrandin@gmail.com>
Tested-by: Noel Grandin <noelgrandin@gmail.com>