title: django - AbstractUser atributes gone ....?
body: <p>so for some reason i get this error :</p>
  <pre><code>$ python manage.py shell
  Python 3.9.0 (tags/v3.9.0:9cf6752, Oct  5 2020, 15:34:40) [MSC v.1927 64 bit (AMD64)] on win32
  Type &quot;help&quot;, &quot;copyright&quot;, &quot;credits&quot; or &quot;license&quot; for more information.
  (InteractiveConsole)
  &gt;&gt;&gt; from auctions.models import *
  &gt;&gt;&gt; u = User.objects.all()
  &gt;&gt;&gt; u
  &lt;QuerySet [&lt;User: bob&gt;]&gt;
  &gt;&gt;&gt; u.id
  Traceback (most recent call last):
    File &quot;&lt;console&gt;&quot;, line 1, in &lt;module&gt;
  AttributeError: 'QuerySet' object has no attribute 'id'
  </code></pre>
  <p>i did not set any primary key to overwrite djabgo's defaults (this is the code..)</p>
  <pre><code>class User(AbstractUser):
  
      def __str__(self):
          return f&quot;{self.username}&quot;
  </code></pre>
  <p>what is going on ???</p>