= Access a Python library package in the nixpkgs repo (without using a Python builder) Occasionally you might want to run a short Python program that depends on a Python library, but you don't want to bother configuring a builder. Example: Access the `html_sanitizer` package from the `python3nnPackages` set in the nixpkgs repo. [source,python,linenums] .Script .... include::my-script.sh[] .... .Output .... $# ./my-script.sh ....