flask does not run in bjoern server

[linychuo]

hi,when I test app on the bjoern server,console displays below errors

Traceback (most recent call last):
  File "/usr/local/lib/python2.6/dist-packages/Flask-0.8-py2.6.egg/flask/app.py", line 1506, in wsgi_app
    response = self.make_response(self.handle_exception(e))
  File "/usr/local/lib/python2.6/dist-packages/Flask-0.8-py2.6.egg/flask/app.py", line 1504, in wsgi_app
    response = self.full_dispatch_request()
  File "/usr/local/lib/python2.6/dist-packages/Flask-0.8-py2.6.egg/flask/app.py", line 1264, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/usr/local/lib/python2.6/dist-packages/Flask-0.8-py2.6.egg/flask/app.py", line 1262, in full_dispatch_request
    rv = self.dispatch_request()
  File "/usr/local/lib/python2.6/dist-packages/Flask-0.8-py2.6.egg/flask/app.py", line 1248, in dispatch_request
    return self.view_functionsrule.endpoint
  File "/usr/local/lib/python2.6/dist-packages/Flask-0.8-py2.6.egg/flask/helpers.py", line 623, in send_static_file
    return send_from_directory(self.static_folder, filename)
  File "/usr/local/lib/python2.6/dist-packages/Flask-0.8-py2.6.egg/flask/helpers.py", line 473, in send_from_directory
    return send_file(filename, conditional=True, **options)
  File "/usr/local/lib/python2.6/dist-packages/Flask-0.8-py2.6.egg/flask/helpers.py", line 385, in send_file
    data = wrap_file(request.environ, file)
  File "/usr/local/lib/python2.6/dist-packages/Werkzeug-0.8.3-py2.6.egg/werkzeug/wsgi.py", line 536, in wrap_file
    return environ.get('wsgi.file_wrapper', FileWrapper)(file, buffer_size)
TypeError: FileWrapper() takes exactly 1 argument (2 given)

[jonashaag]

Thanks for the report @linychuo! Apparently bjoern violates the WSGI spec in terms of file_wrapper arguments. I'm working on a fix.

[jonashaag]

Note to myself: We can probably re-add bjoern support to klaus once this bug is fixed (posativ/klaus@b1ef0c3)

[dmr]

Is there any progress on this?
The simple Flask app works fine on my computer, the error only occurs with static files?