Fixes netbox-community#17124: BaseTable should follow reverse one-to-one relationships when prefetching related objects

Author: jeremystretch

netbox/netbox/tables/tables.py

@@ -6,6 +6,7 @@
 from django.contrib.contenttypes.fields import GenericForeignKey
 from django.core.exceptions import FieldDoesNotExist
 from django.db.models.fields.related import RelatedField
+from django.db.models.fields.reverse_related import ManyToOneRel
 from django.urls import reverse
 from django.urls.exceptions import NoReverseMatch
 from django.utils.safestring import mark_safe
@@ -102,7 +103,7 @@ def __init__(self, *args, user=None, **kwargs):
                             field = model._meta.get_field(field_name)
                         except FieldDoesNotExist:
                             break
-                        if isinstance(field, RelatedField):
+                        if isinstance(field, (RelatedField, ManyToOneRel)):
                             # Follow ForeignKeys to the related model
                             prefetch_path.append(field_name)
                             model = field.remote_field.model