The code for this chapter requires the chalice package, version 1.9.1. We recommend installing Chalice from conda-forge and use this specific version for reproductivity: conda install -c conda-forge chalice=1.9.1.
As usual, the code for this chapter is in the GitHub repository, under the Chapter19 folder (https://github.com/PacktPublishing/Learn-Python-by-Building-Data-Science-Applications).