title: Error while added djangorestframework-gis in view.py
body: <p>I'm trying to create an API using bbox and I'm writing the function as per official doc of</p>
  <pre><code>class LocationList(GenericAPIView):
      queryset = Transaction.objects.all()
      serializer_class = LocationSerializer
      bbox_filter_field = 'point'
      filter_backends = (InBBoxFilter,)
      bbox_filter_include_overlapping = True # Optional
  </code></pre>
  <p>I have imported InBBoxFilter as follows</p>
  <pre><code>from rest_framework_gis.filters import InBBoxFilter
  </code></pre>
  <p>but I'm getting the following error</p>
  <pre><code> File &quot;/src/api/transaction/views.py&quot;, line 11, in &lt;module&gt;
      from rest_framework_gis.filters import InBBoxFilter
    File &quot;/usr/local/lib/python3.8/site-packages/rest_framework_gis/filters.py&quot;, line 9, in &lt;module&gt;
      from rest_framework.filters import BaseFilterBackend
    File &quot;/usr/local/lib/python3.8/site-packages/rest_framework/filters.py&quot;, line 11, in &lt;module&gt;
      from django.db.models.sql.constants import ORDER_PATTERN
  ImportError: cannot import name 'ORDER_PATTERN' from 'django.db.models.sql.constants' (/usr/local/lib/python3.8/site-packages/django/db/models/sql/constants.py)
  </code></pre>
  <p>I tried following this <a href="https://www.gitmemory.com/issue/encode/django-rest-framework/7470/670721109" rel="nofollow noreferrer">https://www.gitmemory.com/issue/encode/django-rest-framework/7470/670721109</a> (using djangorestframework==3.11.1) but didn't work</p>