Apply automatic rubocop fixes

lib/tasks/write_displaynames.rake

@@ -1,17 +1,17 @@
+# frozen_string_literal: true
+
 namespace :user do
-require 'csv'
+  require 'csv'
 
-desc 'write displaynames retrieved from the account service as csv into the codeocean database'
- 
-task :write_displaynames, [:file_path_read]  => [ :environment ] do |t, args|
+  desc 'write displaynames retrieved from the account service as csv into the codeocean database'
 
-   csv_input = CSV.read(args[:file_path_read], headers:true)
+  task :write_displaynames, [:file_path_read] => [:environment] do |_t, args|
+    csv_input = CSV.read(args[:file_path_read], headers: true)
 
     csv_input.each do |row|
-      user = ExternalUser.find_by(:external_id => row[0])
+      user = ExternalUser.find_by(external_id: row[0])
       puts "Change name from   #{user.name} to #{row[1]}"
       user.update(name: row[1])
     end
   end
 end
-