I am trying to use Google Webmaster Tools in the following guide
I executed my url when it says
(r'^googlece9fb428b0c84a39\.html$', lambda r: HttpResponse("google-site-verification: googlece9fb428b0c84a39.html", mimetype="text/plain")),
But I get the following error while accessing the URL:
NameError at /googlece9fb428b0c84a39.html global name 'HttpResponse' is not defined
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