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-rw-r--r--lib/drb/invokemethod.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/drb/invokemethod.rb b/lib/drb/invokemethod.rb
index 71ebec11f6..0fae6d52b6 100644
--- a/lib/drb/invokemethod.rb
+++ b/lib/drb/invokemethod.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
# for ruby-1.8.0
module DRb # :nodoc: all