Merge "Add error handling to _connect function in PureISCSIDriver"

diff --cc cinder/tests/test_pure.py
Simple merge

diff --cc cinder/volume/drivers/pure.py
index 1a7b2380c736c87d892e4228f742fd6c784fe439,a071a0f7aa1dcc11fecc4d1cee9570c85a840992..31dfe760e38e2e541256c1c08eb75c539239d311
--- 1/cinder/volume/drivers/pure.py
--- 2/cinder/volume/drivers/pure.py
+++ b/cinder/volume/drivers/pure.py
@@@ -27,10 -27,10 +27,10 @@@ import uui
  from oslo.config import cfg
  from oslo.utils import excutils
  from oslo.utils import units
 +from oslo_concurrency import processutils
  
  from cinder import exception
- from cinder.i18n import _LE, _LI, _LW
+ from cinder.i18n import _, _LE, _LI, _LW
  from cinder.openstack.common import log as logging
  from cinder import utils
  from cinder.volume.drivers.san import san