On Wed, Jul 14, 2010 at 8:48 PM, Jonathan Hayward
<christos.jonathan.hayw...@gmail.com> wrote:
> I am working on debugging a basic template, and after correcting some other
> error, I got:
>
> Traceback (most recent call last):
>
> File
> "/usr/local/lib/python2.6/site-packages/django/core/servers/basehttp.py",
> line 280, in run
> self.result = application(self.environ, self.start_response)
>
> File
> "/usr/local/lib/python2.6/site-packages/django/core/servers/basehttp.py",
> line 674, in __call__
> return self.application(environ, start_response)
>
> File
> "/usr/local/lib/python2.6/site-packages/django/core/handlers/wsgi.py", line
> 245, in __call__
> response = middleware_method(request, response)
>
> File
> "/usr/local/lib/python2.6/site-packages/django/contrib/sessions/middleware.py",
> line 26, in process_response
> patch_vary_headers(response, ('Cookie',))
>
> File "/usr/local/lib/python2.6/site-packages/django/utils/cache.py", line
> 127, in patch_vary_headers
> if response.has_header('Vary'):
>
> AttributeError: 'SafeUnicode' object has no attribute 'has_header'
>
> This wasn't the usual format for a Django traceback, and the traceback is
> only in Django code, no reference to my project.
> Suggestions? Would it make sense to open a bug?
>
The error isn't triggered in your code, but it is triggered by your code.
You must return a HttpResponse object from a view, not a string.
Whatever view you are hitting here is returning a SafeUnicode, so it
is probably coming from a template renderer.
Cheers
Tom
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