commit ad88e30ab01a982042f7854cf08ed0be8248efa3
Author: gecong1973 <ge.cong@zte.com.cn>
Date:   Sun Oct 11 18:53:35 2020 -0700

    fix a bug for get_backups
    
    Change-Id: Ib5c8198af6722e85e16b4a0f20bbf1fb25bfbe94

diff --git a/freezer/openstack/restore.py b/freezer/openstack/restore.py
index c7206ac..e1b22c4 100644
--- a/freezer/openstack/restore.py
+++ b/freezer/openstack/restore.py
@@ -71,9 +71,10 @@ class RestoreOs(object):
             msg = ("{} storage type is not supported at the moment."
                    " Try local, SWIFT, SSH(SFTP), FTP or FTPS ".
                    format(self.storage.type))
-            print(msg)
+            LOG.error(msg)
             raise BaseException(msg)
-        backups = list(filter(lambda x: x >= restore_from_timestamp, backups))
+        backups = list(filter(lambda x: int(x) >= restore_from_timestamp,
+                              backups))
         if not backups:
             msg = "Cannot find backups for path: %s" % path
             LOG.error(msg)