From dc338f43cb88af206c87724845869ca9aebbd629 Mon Sep 17 00:00:00 2001
From: Marc-Andre Lafortune <github@marc-andre.ca>
Date: Wed, 24 Jun 2020 11:06:48 -0400
Subject: [PATCH] Don't assume 'activeadmin' is already loaded

---
 lib/active_admin/sortable_tree.rb | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/active_admin/sortable_tree.rb b/lib/active_admin/sortable_tree.rb
index 7174a3c..9ebc327 100644
--- a/lib/active_admin/sortable_tree.rb
+++ b/lib/active_admin/sortable_tree.rb
@@ -1,3 +1,5 @@
+require 'activeadmin'
+
 require 'active_admin/sortable_tree/compatibility'
 require 'active_admin/sortable_tree/engine'
 require 'active_admin/sortable_tree/controller_actions'