Handle a crash where an actor directory is missing the __init__.py file. Issue an informative log entry at DEBUG level about the missing file.
Handle a crash where an actor directory is missing the __init__.py file. Issue an informative log entry at DEBUG level about the missing file.

EricssonResearch/calvin-base,EricssonResearch/calvin-base,EricssonResearch/calvin-base,EricssonResearch/calvin-base