[Zope] content headers wrong after upload

[Michael Shulman]

I just noticed that when I submit a form to a zope script(python) that
includes a file upload, the content-type and content-length headers of
the response are incorrectly set to those of the uploaded file, rather
than those of what the script actually returns.  Any ideas why this
could be happening?  I'm running zope 2.9.6 on Debian etch.

Thanks,
Mike