Merge branch 'add_useful_error' into even_more_fun_with_linear_operators

3 jobs for even_more_fun_with_linear_operators in 1 minute and 29 seconds (queued for 4 seconds)
Status Job ID Name Coverage
  Build Docker
passed #591239
build_docker_from_cache

00:00:19

 
  Test
passed #591240
test_python2_with_coverage

00:01:10

78.0%
passed #591241
test_python3

00:01:06