from lxml import etree
import sys

if len(sys.argv) < 2:
    print "Please provide the HTML file name"
    sys.exit(1)

f = open(sys.argv[1], "r")
html = f.read()
f.close()
parser = etree.XMLParser(ns_clean=True)
try:
    tree = etree.XML(html, parser)
except Exception as inst:
    print inst