title: What is the meaning of bind = True keyword in celery?
body: <p>What is the meaning of <code>bind=True</code> in below <strong>celery</strong> code? When to use it and when not?</p>
  
  <pre><code>@app.task(bind=True)
  def send_twitter_status(self, oauth, tweet):
      try:
          twitter = Twitter(oauth)
          twitter.update_status(tweet)
      except (Twitter.FailWhaleError, Twitter.LoginError) as exc:
          raise self.retry(exc=exc)
  </code></pre>