lib/seo_cache/logger.rb in seo_cache-0.6.0 vs lib/seo_cache/logger.rb in seo_cache-0.7.0

@@ -47,20 +47,20 @@
     def level=(severity)
       if severity.is_a?(Integer)
         @logger.level = severity
       else
         case severity.to_s.downcase
-        when 'debug'.freeze
+        when 'debug'
           @logger.level = DEBUG
-        when 'info'.freeze
+        when 'info'
           @logger.level = INFO
-        when 'warn'.freeze
+        when 'warn'
           @logger.level = WARN
-        when 'error'.freeze
+        when 'error'
           @logger.level = ERROR
-        when 'fatal'.freeze
+        when 'fatal'
           @logger.level = FATAL
-        when 'unknown'.freeze
+        when 'unknown'
           @logger.level = UNKNOWN
         else
           raise ArgumentError, "invalid log level: #{severity}"
         end
       end