backup.rb in imap-backup-1.1.0

- old
+ new

@@ -13,9 +13,10 @@
 require 'imap/backup/downloader'
 require 'imap/backup/serializer/base'
 require 'imap/backup/serializer/directory'
 require 'imap/backup/serializer/mbox'
 require 'imap/backup/version'
+require 'email/provider'
 
 require 'logger'
 
 module Imap::Backup
   class ConfigurationNotFound < StandardError; end