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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def slack_notify(self):
 """Send out a slack notification."""

        utils.banner("Sending slack notification")

        if self.env.startswith("prod"):
            notify = slacknotify.SlackNotification(app=self.app, env=self.env, prop_path=self.json_path)
            notify.post_message()
        else:
            LOG.info("No slack message sent, not production environment")