From 97ccc28940d65fee53b30c409c49032fbb0885db Mon Sep 17 00:00:00 2001
From: "M.Shibuya" <mit.shibuya@gmail.com>
Date: Mon, 22 Mar 2021 17:31:21 +0900
Subject: [PATCH] Fix Zeitwerk incompatibility

Fixes #3328
---
 app/helpers/rails_admin/form_builder.rb | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/app/helpers/rails_admin/form_builder.rb b/app/helpers/rails_admin/form_builder.rb
index facfc84ea9..6c89424953 100644
--- a/app/helpers/rails_admin/form_builder.rb
+++ b/app/helpers/rails_admin/form_builder.rb
@@ -1,3 +1,5 @@
+require 'nested_form/builder_mixin'
+
 module RailsAdmin
   class FormBuilder < ::ActionView::Helpers::FormBuilder
     include ::NestedForm::BuilderMixin