12794 change User ref to get_user_model (#12905)

* 12794 change User ref to get_user_model

* 12794 call get_user_model once in tests

* 12794 call get_user_model once in tests

* 12794 use settings.AUTH_USER_MODEL for FK reference

netbox/core/forms/filtersets.py

@@ -1,5 +1,5 @@
 from django import forms
-from django.contrib.auth.models import User
+from django.contrib.auth import get_user_model
 from django.contrib.contenttypes.models import ContentType
 from django.utils.translation import gettext as _
 
@@ -105,7 +105,7 @@ class JobFilterForm(SavedFiltersMixin, FilterForm):
         widget=DateTimePicker()
     )
     user = DynamicModelMultipleChoiceField(
-        queryset=User.objects.all(),
+        queryset=get_user_model().objects.all(),
         required=False,
         label=_('User'),
         widget=APISelectMultiple(

netbox/core/management/commands/nbshell.py

@@ -5,7 +5,7 @@ import sys
 from django import get_version
 from django.apps import apps
 from django.conf import settings
-from django.contrib.auth.models import User
+from django.contrib.auth import get_user_model
 from django.contrib.contenttypes.models import ContentType
 from django.core.management.base import BaseCommand
 
@@ -60,7 +60,7 @@ class Command(BaseCommand):
 
         # Additional objects to include
         namespace['ContentType'] = ContentType
-        namespace['User'] = User
+        namespace['User'] = get_user_model()
 
         # Load convenience commands
         namespace.update({

netbox/core/models/jobs.py

@@ -1,7 +1,7 @@
 import uuid
 
 import django_rq
-from django.contrib.auth.models import User
+from django.conf import settings
 from django.contrib.contenttypes.fields import GenericForeignKey
 from django.contrib.contenttypes.models import ContentType
 from django.core.validators import MinValueValidator
@@ -69,7 +69,7 @@ class Job(models.Model):
         blank=True
     )
     user = models.ForeignKey(
-        to=User,
+        to=settings.AUTH_USER_MODEL,
         on_delete=models.SET_NULL,
         related_name='+',
         blank=True,