postinst is in python-chef 0.2.3-2.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9
#!/bin/sh set -e # Automatically added by dh_python2: if which pycompile >/dev/null 2>&1; then pycompile -p python-chef fi # End automatically added section