This is the file where WebMock keeps pointing to 'Can't convert string to hash'

request_object.rb

 @httpresponse ||= http_class.new("http://#{AmazeSNS.host}/?").get({
        :query => querystring2, :timeout => 2
      })
      @httpresponse.callback{
        begin
          success_callback
          deferrable.succeed     
        rescue => e
          deferrable.fail(e)
        end 
      }
      @httpresponse.errback{ 
        error_callback
        deferrable.fail(AmazeSNSRuntimeError.new("A runtime error has occured: status code: #{@httpresponse.response_header.status}"))
      }