diff --git a/auto_backup/__openerp__.py b/auto_backup/__openerp__.py
index 54daed2..a431528 100644
--- a/auto_backup/__openerp__.py
+++ b/auto_backup/__openerp__.py
@@ -41,6 +41,9 @@
 4) If you want to write backups to a remote location you should fill in the SFTP details.
 """,
     "depends" : ['base'],
+    "external_dependencies": {
+        'python': ['pysftp']
+    },
     "init_xml" : [],
     "demo_xml" : [],
     "update_xml" : ["bkp_conf_view.xml","backup_data.xml"],
diff --git a/auto_backup/backup_scheduler.py b/auto_backup/backup_scheduler.py
index 5210ecf..93c40bc 100644
--- a/auto_backup/backup_scheduler.py
+++ b/auto_backup/backup_scheduler.py
@@ -27,10 +27,12 @@
 import datetime
 import base64
 import re
+
 try:
     import pysftp
 except ImportError:
-    raise ImportError('This module needs pysftp to automaticly write backups to the FTP through SFTP. Please install pysftp on your system. (sudo pip install pysftp)')
+    pass
+
 from openerp.osv import fields,osv,orm
 from openerp import tools
 from openerp import netsvc