Style fix

app/models/topic.rb

@@ -48,7 +48,7 @@ class Topic < ActiveRecord::Base
   acts_as_readable
 
   def self.recent_topics
-    Post.order('id desc').select('DISTINCT topic_id').limit(5).map(&:topic)
+    Post.order("id desc").select("DISTINCT topic_id").limit(5).map(&:topic)
   end
 
   def to_s

spec/models/topic_spec.rb

@@ -32,9 +32,7 @@ describe Topic do
     before(:all) do
       5.times do
         topic = create :topic
-        3.times do
-          post = create :post, topic: topic
-        end
+        3.times { create :post, topic: topic }
       end
     end
     it "returns 5 unique, most recently posted topics" do