Rakefile in zip-codes-0.2.1 vs Rakefile in zip-codes-0.3.0

@@ -1,18 +1,18 @@
-require "bundler/gem_tasks"
+# frozen_string_literal: true
+
+require 'bundler/gem_tasks'
 require 'yaml'
 
 task :convert do
   codes = {}
   File.open('lib/data/US.txt').each_line do |line|
-    array = line.split("\t")
+    array = line.split('\t')
     codes[array[1]] = {
       state_code: array[4],
       state_name: array[3],
-      city:       array[2]
+      city: array[2]
     }
   end
 
-  File.open("lib/data/US.yml", "w") do |file|
-    file.write codes.to_yaml
-  end
+  File.write('lib/data/US.yml', codes.to_yaml)
 end