Exception WSGI/Django 1.1

[starenka]

Exception exceptions.AttributeError: "'FirePythonWSGI' object has no attribute '_handler'" in <bound method FirePythonWSGI.del of <firepython.middleware.FirePythonWSGI object at 0x8704f4c>> ignored
Traceback (most recent call last):
File "/usr/lib/python2.5/site-packages/Django-1.1-py2.5.egg/django/core/servers/basehttp.py", line 279, in run
self.result = application(self.environ, self.start_response)
File "/usr/lib/python2.5/site-packages/Django-1.1-py2.5.egg/django/core/servers/basehttp.py", line 651, in call
return self.application(environ, start_response)
File "/usr/lib/python2.5/site-packages/Django-1.1-py2.5.egg/django/core/handlers/wsgi.py", line 230, in call
self.load_middleware()
File "/usr/lib/python2.5/site-packages/Django-1.1-py2.5.egg/django/core/handlers/base.py", line 49, in load_middleware
mw_instance = mw_class()
TypeError: init() takes at least 2 arguments (1 given)