An environment with several prerequisites is needed to build the documentation. Create this with:

conda create -n intake-docs python=3.8 pandas dask python-snappy appdirs -c conda-forge -y
conda activate intake-docs

Additional pip packages are listed in ./requirements.txt are required to build the docs:

pip install -r requirements.txt

A conda environment with pip packages included is in environment.yml of the current directory, and you may create it with:

conda env create
conda activate intake-docs

To make HTML documentation:

make html

Outputs to build/html/index.html