[NbConvertApp] Converting notebook ipynb/21_packaging.ipynb to slides[NbConvertApp] Writing 281816 bytes to ipynb/21_packaging.slides.htmlpython3 ipynb/make_index.pyoverride ipynb/index.rstcd ipynb && rst2html5 index.rst > index.html$ mkdir .public$ cp ipnyb/*.html .publiccp: cannot stat 'ipnyb/*.html': No such file or directoryERROR: Job failed: exit code 1