[lenny] Does clean up old pycentral package

debian.lenny/preinst

+#!/bin/sh -e
+
+case "$1" in
+	install)
+		;;
+	upgrade)
+		pycentral pkgremove python-rql || true
+		;;
+	abort-upgrade)
+		;;
+	*)
+		echo "preinst called with unknown argument '$1'" >&2
+		exit 1
+		;;
+esac
+
+#DEBHELPER#
+
+exit 0