lib/semantic_logger/loggable.rb in semantic_logger-1.0.1 vs lib/semantic_logger/loggable.rb in semantic_logger-2.0.0

@@ -1,4 +1,6 @@
+require 'sync_attr'
+
 # Logger class variable mix-in
 #
 #   Lazy initialize and a logger class variable with instance accessor
 #
 #   By including this mix-in into any class it will define a class level logger
\ No newline at end of file