$ cd alea $ make -j 7 rsync -ra --delete img build/ jupyter nbconvert --to html index.ipynb --output-dir=build make: *** No rule to make target '03-plot.ipynb', needed by 'build/03-plot.ipynb'. Stop. make: *** Waiting for unfinished jobs.... [NbConvertApp] Converting notebook index.ipynb to html [NbConvertApp] Writing 250472 bytes to build/index.html ERROR: Job failed: exit code 1
