with open("file.html","rb") as fp:
html = xml.dom.minidom.parseString(fp.read())
<tr>
row,col = -1,-1
for tr in html.getElementsByTagName('tr'):
row +=1
for td in tr.getElementsByTagName('td'):
col +=1
workbook.cell(col=col,row=row).value = td.firstChild.nodeValue