UnicodeError: source returned bytes, but no encoding specified

[Fabian.Scheler@…]

The stack trace looks like this:

File "/usr/local/lib/python2.7/dist-packages/trac/web/main.py", line 562, in _dispatch_request

dispatcher.dispatch(req)

File "/usr/local/lib/python2.7/dist-packages/trac/web/main.py", line 269, in dispatch

iterable=chrome.use_chunked_encoding)

File "/usr/local/lib/python2.7/dist-packages/trac/web/chrome.py", line 1079, in render_template

stream |= self._filter_stream(req, method, filename, stream, data)

File "/usr/local/lib/python2.7/dist-packages/genshi/core.py", line 133, in or

return Stream(_ensure(function(self)), serializer=self.serializer)

File "/usr/local/lib/python2.7/dist-packages/trac/web/chrome.py", line 1331, in inner

data)

File "build/bdist.linux-x86_64/egg/ticketbudgeting/ticketbudgeting.py", line 327, in filter_stream

stream |= Transformer('.fieldset [@id="properties"]').after(HTML(fieldset))

File "/usr/local/lib/python2.7/dist-packages/genshi/input.py", line 442, in HTML

return Stream(list(HTMLParser(BytesIO(text), encoding=encoding)))

File "/usr/local/lib/python2.7/dist-packages/genshi/core.py", line 273, in _ensure

event = stream.next()

File "/usr/local/lib/python2.7/dist-packages/genshi/input.py", line 449, in _coalesce

for kind, data, pos in chain(stream, [(None, None, None)]):

File "/usr/local/lib/python2.7/dist-packages/genshi/input.py", line 337, in _generate

raise UnicodeError("source returned bytes, but no encoding specified")

This error should be caused by a missing adaptation for Genshi 0.7, the attached patch should solve the problem.