jupyter nbconvert --to notebook --execute --ExecutePreprocessor.timeout=-1 4_flags_hdf-n.ipynb --output 4-out.ipynb --ExecutePreprocessor.kernel_name=helpint 399804 kb 9.64 s
jupyter nbconvert --to notebook --execute --ExecutePreprocessor.timeout=-1 4_flags_hdf-n.ipynb --output 4-out.ipynb --ExecutePreprocessor.kernel_name=helpint 383572 kb 16.36 s