[PATCH] nvmetcli: Correct xrange usage for py3

[Tony Asleson <tasleson@redhat.com>]

If you are in a namespace and simply do a 'create' without specifying
a value you will get:

/subsystems/n...f8/namespaces> create
name 'xrange' is not defined
subsystems/n...f8/namespaces>

This is because xrange is not defined in python3 as python3 changed
it to range.  As the code is already using six use six.move.xrange
which works for both python2 & python3.

Signed-off-by: Tony Asleson <tasleson@redhat.com>
---
 nvmet/nvme.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/nvmet/nvme.py b/nvmet/nvme.py
index db8a03c..83fd75b 100644
--- a/nvmet/nvme.py
+++ b/nvmet/nvme.py
@@ -23,7 +23,7 @@ import stat
 import uuid
 import json
 from glob import iglob as glob
-from six import iteritems
+from six import iteritems, moves
 
 DEFAULT_SAVE_FILE = '/etc/nvmet/config.json'
 
@@ -556,7 +556,7 @@ class Namespace(CFSNode):
                 raise CFSError("Need NSID for lookup")
 
             nsids = [n.nsid for n in subsystem.namespaces]
-            for index in xrange(1, self.MAX_NSID + 1):
+            for index in moves.xrange(1, self.MAX_NSID + 1):
                 if index not in nsids:
                     nsid = index
                     break
@@ -816,7 +816,7 @@ class ANAGroup(CFSNode):
                 raise CFSError("Need grpid for lookup")
 
             grpids = [n.grpid for n in port.ana_groups]
-            for index in xrange(2, self.MAX_GRPID + 1):
+            for index in moves.xrange(2, self.MAX_GRPID + 1):
                 if index not in grpids:
                     grpid = index
                     break
-- 
2.25.1


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