From 54746353611fdde339dcb2001948a72c2d8da56c Mon Sep 17 00:00:00 2001
From: Sam <sam.saffron@gmail.com>
Date: Fri, 16 Mar 2018 11:19:06 +1100
Subject: [PATCH] add more safety

---
 app/models/remote_theme.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/models/remote_theme.rb b/app/models/remote_theme.rb
index f7b65bddebd..f817a090a7a 100644
--- a/app/models/remote_theme.rb
+++ b/app/models/remote_theme.rb
@@ -156,7 +156,7 @@ class RemoteTheme < ActiveRecord::Base
   def update_theme_color_schemes(theme, schemes)
     missing_scheme_names = Hash[*theme.color_schemes.pluck(:name, :id).flatten]
 
-    schemes.each do |name, colors|
+    schemes&.each do |name, colors|
       missing_scheme_names.delete(name)
       existing = theme.color_schemes.find_by(name: name)
       if existing