still 400 Bad Request on utf-8 characters

[toebbel]

50€ geliehen für die Hannover Messe

The € sign is the Problem.

400 Bad Request

The request entity could not be decoded. The following charsets were attempted: ['utf-8']

Traceback (most recent call last):
  File "/usr/local/lib/python2.7/dist-packages/CherryPy-3.2.2-py2.7.egg/cherrypy/_cprequest.py", line 649, in respond
    self.body.process()
  File "/usr/local/lib/python2.7/dist-packages/CherryPy-3.2.2-py2.7.egg/cherrypy/_cpreqbody.py", line 949, in process
    super(RequestBody, self).process()
  File "/usr/local/lib/python2.7/dist-packages/CherryPy-3.2.2-py2.7.egg/cherrypy/_cpreqbody.py", line 515, in process
    proc(self)
  File "/usr/local/lib/python2.7/dist-packages/CherryPy-3.2.2-py2.7.egg/cherrypy/_cpreqbody.py", line 166, in process_urlencoded
    "charsets were attempted: %s" % repr(entity.attempt_charsets))
HTTPError: (400, "The request entity could not be decoded. The following charsets were attempted: ['utf-8']")`