fix

app/controllers/v1/search_controller.rb

@@ -44,7 +44,7 @@ class V1::SearchController < ApplicationController
   # GET v1/search/tag
   # GET v1/search/tag.json
   def tag
-    results = TagSearchService.search(Tag.find(tag_search_params[:id]), 2)
+    results = TagSearchService.search(Tag.find(tag_search_params[:id]))
     render json: paginate(results)
   end
 

lib/tasks/tag_clustering.rake

@@ -23,7 +23,7 @@ namespace :tag do
   task :generate_clusters => [:environment] do
     include TagSearchService
     # DEBUG = true
-    
+
     graph_path = TagSearchService.file_path+".net"
     # Create hash of tag co occurrence
     hash = create_hash()