Seems that the message "docstring of bar.foo.fooBase.foo_bar_baz" is interpreted as part of the file name. Interested in providing a PR for the parser?
The java.nio.file.InvalidPathException has been fixed now, release is in progress...
Thanks for that quick fix... unfortunately, I am currently mainly using a Windows corporate PC so doing the development setup would have been more work than fixing the regex... but thanks for the heads-up.