# File lib/slack-notifier/util/http_client.rb, line 26
        def call
          http_obj.request(request_obj).tap do |response|
            unless response.is_a?(Net::HTTPSuccess)
              raise Slack::Notifier::APIError, "The slack API returned an error: \#{response.body} (HTTP Code \#{response.code})\nCheck the \"Handling Errors\" section on https://api.slack.com/incoming-webhooks for more information\n"
            end
          end
        end