prerm is in python-mapnik 1:0.0~20180130-804a7947d-1.
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 10 11 12 13 14 | #!/bin/sh
set -e
# Automatically added by dh_python2:
if which pyclean >/dev/null 2>&1; then
	pyclean -p python-mapnik 
else
	dpkg -L python-mapnik | grep '\.py$' | while read file
	do
		rm -f "${file}"[co] >/dev/null
  	done
fi
# End automatically added section
 |