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-rw-r--r--activerecord/test/models/molecule.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/activerecord/test/models/molecule.rb b/activerecord/test/models/molecule.rb
index 26870c8f88..8e0f6eb6ee 100644
--- a/activerecord/test/models/molecule.rb
+++ b/activerecord/test/models/molecule.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
class Molecule < ActiveRecord::Base
belongs_to :liquid
has_many :electrons