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-rw-r--r--lib/rubygems/exceptions.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/rubygems/exceptions.rb b/lib/rubygems/exceptions.rb
index 2a9875cd24..0c741a2d01 100644
--- a/lib/rubygems/exceptions.rb
+++ b/lib/rubygems/exceptions.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
# TODO: the documentation in here is terrible.
#
# Each exception needs a brief description and the scenarios where it is