Add a more informative error message when runtests fails to import from test suite directory
|Reported by:||anonymous||Owned by:||nobody|
|Has patch:||yes||Needs documentation:||no|
|Needs tests:||no||Patch needs improvement:||no|
When trying to run the test suite after updating my repo, I was getting strange ImportErrors. It turned out there were orphaned empty directories in the tests directory. A small change that prints a hint when that happens would help avoid confusion for new and less regular contributors.
A pull request for this is available here: