Django3 has removed python_2_unicode_compatible.

Execute the codemodes on this file and removed all usage.

openedx/core/djangoapps/api_admin/models.py

@@ -16,7 +16,7 @@ from django.dispatch import receiver
 from django.urls import reverse
 from django.utils.translation import ugettext as _u
 from django.utils.translation import ugettext_lazy as _
-from django.utils.encoding import python_2_unicode_compatible
+
 
 from model_utils.models import TimeStampedModel
 
@@ -24,9 +24,6 @@ from common.djangoapps.edxmako.shortcuts import render_to_string
 from openedx.core.djangoapps.site_configuration import helpers as configuration_helpers
 
 log = logging.getLogger(__name__)
-
-
-@python_2_unicode_compatible
 class ApiAccessRequest(TimeStampedModel):
     """
     Model to track API access for a user.
@@ -132,7 +129,6 @@ class ApiAccessRequest(TimeStampedModel):
         return f'ApiAccessRequest {self.website} [{self.status}]'
 
 
-@python_2_unicode_compatible
 class ApiAccessConfig(ConfigurationModel):
     """
     Configuration for API management.
@@ -224,7 +220,6 @@ def _send_decision_email(instance):
         log.exception('Error sending API user notification email for request [%s].', instance.id)
 
 
-@python_2_unicode_compatible
 class Catalog(models.Model):
     """
     A (non-Django-managed) model for Catalogs in the course discovery service.