title: Discord.py Permissions on roles
body: <p>Why does
  <code>ctx.guild.default_role.permissions.change_nickname()</code></p>
  <p>Output this:
  <code>discord.ext.commands.errors.CommandInvokeError: Command raised an exception: TypeError: 'bool' object is not callable</code></p>
  <p>In the doc it says:</p>
  <pre><code>@flag_value
  def change_nickname(self):
    &quot;&quot;&quot;:class:`bool`: Returns ``True`` if a user can change their nickname in the guild.&quot;&quot;&quot;
    return 1 &lt;&lt; 26
  </code></pre>