Hotpotato CLI command requires a pipenv environment
To use the hotpotato command inside the hotpotato-dev container you must have installed the pipenv environment outside of the container.
This is because the container mounts the code directory as a volume and the hotpotato.egg-info subdirectory is needed for the entrypoint to be found.
Workaround is to install the pipenv environment, but ideally the container should be configured so that this isn't required.