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-rw-r--r--actioncable/lib/action_cable/gem_version.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/actioncable/lib/action_cable/gem_version.rb b/actioncable/lib/action_cable/gem_version.rb
index 5d6f9af0bb..f15c22da00 100644
--- a/actioncable/lib/action_cable/gem_version.rb
+++ b/actioncable/lib/action_cable/gem_version.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
module ActionCable
# Returns the version of the currently loaded Action Cable as a <tt>Gem::Version</tt>.
def self.gem_version