/var/folders/22/k6clk3m10258k07mjcnlswt40000gn/T/ipykernel_63548/1416230047.py:28: MissingIDFieldWarning: Cell is missing an id field, this will become a hard error in future nbformat versions. You may want to use `normalize()` on your notebooks before validations (available since nbformat 5.1.4). Previous versions of nbformat are fixing this issue transparently, and will stop doing so in the future.
_, nb = nbformat.validator.normalize(nb)