logger.rb in lumberjack-1.0.13

- old
+ new

@@ -1,5 +1,7 @@
+# frozen_string_literals: true
+
 module Lumberjack
   # Logger is a thread safe logging object. It has a compatible API with the Ruby
   # standard library Logger class, the Log4r gem, and ActiveSupport::BufferedLogger.
   #
   # === Example
@@ -63,10 +65,9 @@
       self.progname = options.delete(:progname)
       max_flush_seconds = options.delete(:flush_seconds).to_f
 
       @device = open_device(device, options)
       @_formatter = Formatter.new
-      @lock = Mutex.new
       @last_flushed_at = Time.now
       @silencer = true
 
       create_flusher_thread(max_flush_seconds) if max_flush_seconds > 0
     end