url as argument in a view

Hi

I was looking to solve this 'newbie' problem but I am unable to find a
correct solution.

I am trying to pass a url as an argument. The url regex in the urls
file is ok, but when I try execute the program I get this error
message:

rescan() takes exactly 1 argument (3 given)

where:

in views.py

def rescan(request):
return render_to_response('index.html',
context_instance=RequestContext(request, {'url':
url}))

in urls.py
(r'^rescan/(\b(https?)://[-A-Z0-9+&@#/%?=~_|!:,.;]*[-A-Z0-9+&@#/
%=~_|]*)', 'rescan'),

I guess the problem is passing a url like: http://www.foo.com
The three arguments are: http: + // + foo.com

But I've tried escape the url with:
url = urllib.quote(url_fetched.url, safe='')

Which in the url bar works ok: http://django-server:8000/program/rescan/http%3A%2F%2Fwww.foo.com

But the program is failing again with:
TypeError at /showmalcode/rescan/http://www.foo.com

rescan() takes exactly 1 argument (3 given)

Request Method: GET
Request URL: http://django-server:8000/program/rescan/http://www.foo.com
Django Version: 1.3 beta 1
Exception Type: TypeError
Exception Value:

rescan() takes exactly 1 argument (3 given)

Any hint?

Thanks in advance
Emilio

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