--- a/lib/thingfish/metastore/pggraph/edge.rb	Wed Sep 25 16:07:09 2019 -0700
+++ b/lib/thingfish/metastore/pggraph/edge.rb	Thu Mar 05 12:00:19 2020 -0800
@@ -1,5 +1,5 @@
 # -*- ruby -*-
-#encoding: utf-8
+# frozen_string_literal: true
 
 require 'sequel/model'