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-rw-r--r--lib/plum/client/upgrade_client_session.rb3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/plum/client/upgrade_client_session.rb b/lib/plum/client/upgrade_client_session.rb
index c0e0d9e..a098c71 100644
--- a/lib/plum/client/upgrade_client_session.rb
+++ b/lib/plum/client/upgrade_client_session.rb
@@ -1,4 +1,5 @@
-# -*- frozen-string-literal: true -*-
+# frozen-string-literal: true
+
module Plum
# Try upgrade to HTTP/2
class UpgradeClientSession