def forreq(req, tree):
# XXX: Use proper Content-Type for clients accepting it.
req.ohead["Content-Type"] = "text/html; charset=utf-8"
- buf = io.StringIO()
+ buf = io.BytesIO()
htmlindenter.output(buf, tree, doctype=(doctype, dtd), charset="utf-8")
return [buf.getvalue()]