Fix for #599 (Trouble with GZip and Etag (with enabled autotags)). Response.body was being set to [''], which doesn't evaluate to False.
Fix for #599 (Trouble with GZip and Etag (with enabled autotags)). Response.body was being set to [''], which doesn't evaluate to False.

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extra : convert_revision : svn%3Ae1d34091-3ce9-0310-8e96-997e60db3bd5/trunk%401441

cherrypy/magicbus