Set env, initialize and publish#

from nbproject import header, meta, publish
header(env="notebook")
ℹ️ Initializing.
assert meta.env == "notebook"
publish(proceed_consecutiveness="y")
🔶 Cells [(1, 3), (3, 3)] were not run consecutively.
ℹ️ Set notebook version to 1 & wrote pypackages.