title: how to use client.get_all_emojis() discord.py
body: <p>i try: </p>
  
  <pre><code>discord.utils.get(client.get_all_emojis(), id=469334117020991508)
  </code></pre>
  
  <p>but this return none every time</p>
  
  <p>I would like to get the url custom emoji from chat text.</p>