Use len instead of for loop to get the end index

[Wu Wenxiang]

diff --git a/cinder/tests/test_backup_tsm.py b/cinder/tests/test_backup_tsm.py
index 37d528f..2548cbd 100644
--- a/cinder/tests/test_backup_tsm.py
+++ b/cinder/tests/test_backup_tsm.py
@@ -109,8 +109,7 @@ class TSMBackupSimulator:
             ret_msg += ('Total number of objects deleted: 1\n'
                         'Total number of objects failed: 0')
             retcode = 0
- for idx, backup in enumerate(self._backup_list[path]):
- index = idx
+ index = len(self._backup_list[path]) - 1
             del self._backup_list[path][index]
             if not len(self._backup_list[path]):
                 del self._backup_list[path]

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/74718

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/74718
Committed: https://git.openstack.org/cgit/openstack/cinder/commit/?id=38e192afecd0d08921d4fb4d7166fa156addb6a4
Submitter: Jenkins
Branch: master

commit 38e192afecd0d08921d4fb4d7166fa156addb6a4
Author: Wu Wenxiang <[e-mail]>
Date: Wed Feb 19 21:39:41 2014 +0800

    Use len instead of for-loop to get the end index

    Use len() instead of for-loop to get the end index in file
    cinder/tests/test_backup_tsm.py

    Change-Id: I3a7b0e418f8af4881e21eb5273a03dbcd317c27d
    Closes-Bug: #1282084