lib/ably/models/protocol_message.rb in ably-0.7.0 vs lib/ably/models/protocol_message.rb in ably-0.7.1

@@ -35,10 +35,10 @@
   # @!attribute [r] hash
   #   @return [Hash] Access the protocol message Hash object ruby'fied to use symbolized keys
   #
   class ProtocolMessage
     include Ably::Modules::ModelCommon
-    include EventMachine::Deferrable
+    include EventMachine::Deferrable if defined?(Ably::Realtime)
     extend Ably::Modules::Enum
 
     # Actions which are sent by the Ably Realtime API
     #
     # The values correspond to the ints which the API