#!/usr/bin/env python3
-from lxml import etree
+import xml.dom.minidom
import sys
-doc = etree.parse(sys.stdin)
-output = etree.tostring(doc, pretty_print=True)
-sys.stdout.buffer.write(output)
+doc = xml.dom.minidom.parse(sys.stdin)
+doc.writexml(sys.stdout, addindent=" ", newl="\n")