Fix lint issues

Author: esrakartalOpt

lib/optimizely/bucketer.rb

@@ -46,8 +46,8 @@ def bucket(project_config, experiment, bucketing_id, user_id)
       # Returns variation in which visitor with ID user_id has been placed. Nil if no variation.
 
       if experiment.nil? || experiment['key'].to_s.strip.empty?
-        message = "Invalid entity key provided for bucketing. Returning nil."
-        @logger.log(Logger::DEBUG, message) if @logger
+        message = 'Invalid entity key provided for bucketing. Returning nil.'
+        @logger.log(Logger::DEBUG, message)
         return nil, []
       end
 

spec/bucketing_holdout_spec.rb

@@ -142,7 +142,7 @@ def generate_bucket_value(bucketing_id)
       modified_holdout['trafficAllocation'] = [
         {
           'entityId' => 'invalid_variation_id',
-          'endOfRange' => 10000
+          'endOfRange' => 10_000
         }
       ]