various improvements

packaging/build/compute-0.1.0.dev1/debian/compute/DEBIAN/prerm

@@ -0,0 +1,12 @@
+#!/bin/sh
+set -e
+
+# Automatically added by dh_python3
+if command -v py3clean >/dev/null 2>&1; then
+	py3clean -p compute 
+else
+	dpkg -L compute | sed -En -e '/^(.*)\/(.+)\.py$/s,,rm "\1/__pycache__/\2".*,e'
+	find /usr/lib/python3/dist-packages/ -type d -name __pycache__ -empty -print0 | xargs --null --no-run-if-empty rmdir
+fi
+
+# End automatically added section