Make --concurrency not required in account_generator cmd
--concurrency arg in account_generator cmd is required
with default value 1.
This should be non required and work with default value if not given.
Change-Id: I105bd4833e5a0da58d900493a1782943c5506ffa
diff --git a/tempest/cmd/account_generator.py b/tempest/cmd/account_generator.py
index 0a5a41b..db323de 100755
--- a/tempest/cmd/account_generator.py
+++ b/tempest/cmd/account_generator.py
@@ -234,7 +234,7 @@
parser.add_argument('-r', '--concurrency',
default=1,
type=int,
- required=True,
+ required=False,
dest='concurrency',
help='Concurrency count')
parser.add_argument('--with-admin',