• Prepare the environment

  conda create -n databricks python=3.7
  conda activate databricks

• Install db-12-kernel

  pip install git+git://github.com/bernhard-42/db-12-kernel.git

• Edit db_12_kernel_config.py

• Copy it to the Jupyter config folder

  cp db_12_kernel_config.py ~/.jupyter

• Create kernelspec

  python -m db_12_kernel install

Start jupyter lab, select "DB Kernel". It will use the config in ~/.jupyter/db_12_kernel_config.py. With execution of the first cell, the Python execution context will be created.