Merge branch 'file/better-errors' into 'master'

[__file] Better errors analogous to __directory

See merge request !854
3 jobs for master in 51 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Test
passed #2809
pycodestyle

00:00:14

passed #2810
shellcheck

00:00:17

passed #2808
unit_tests

00:00:19