--- hoe-3.21.0/lib/hoe.rb.ruby27	2020-01-12 08:58:43.000000000 +0900
+++ hoe-3.21.0/lib/hoe.rb	2020-01-31 12:05:45.445601471 +0900
@@ -12,6 +12,10 @@ require "rake/testtask"
 require "rbconfig"
 
 begin
+  gem "psych"
+rescue Gem::LoadError
+end
+begin
   require "psych"
 rescue LoadError
   # do nothing