Update to treat null name an empty string

netbox/netbox/views/generic/bulk_views.py

@@ -727,12 +727,6 @@ def _rename_objects(self, form, selected_objects):
         renamed_pks = []
 
         for obj in selected_objects:
-            # Validate that the rename will be successful and not trigger an error
-            if not form.cleaned_data['use_regex'] and not obj.name:
-                raise ValidationError({
-                    'use_regex': 'You must use regex to rename and must pass uniqueness checks'
-                })
-
             # Take a snapshot of change-logged models
             if hasattr(obj, 'snapshot'):
                 obj.snapshot()
@@ -746,7 +740,7 @@ def _rename_objects(self, form, selected_objects):
                 except re.error:
                     obj.new_name = obj.name
             else:
-                obj.new_name = obj.name.replace(find, replace)
+                obj.new_name = (obj.name or '').replace(find, replace)
             renamed_pks.append(obj.pk)
 
         return renamed_pks
@@ -785,10 +779,6 @@ def post(self, request):
                     messages.error(self.request, ", ".join(e.args))
                     clear_events.send(sender=self)
 
-                except ValidationError as e:
-                    messages.error(self.request, ", ".join(e.messages))
-                    clear_events.send(sender=self)
-
                 except (AbortRequest, PermissionsViolation) as e:
                     logger.debug(e.message)
                     form.add_error(None, e.message)