[Trivial]Remove unused variables
This is to remove unused variables and to use merging-isinstance.
Change-Id: I9d7121678a8b18a03b7b872526bfc74351560776
diff --git a/tempest/cmd/account_generator.py b/tempest/cmd/account_generator.py
index ff552a1..917262e 100755
--- a/tempest/cmd/account_generator.py
+++ b/tempest/cmd/account_generator.py
@@ -270,7 +270,7 @@
config.CONF.set_config_path(parsed_args.config_file)
setup_logging()
resources = []
- for count in range(parsed_args.concurrency):
+ for _ in range(parsed_args.concurrency):
# Use N different cred_providers to obtain different
# sets of creds
cred_provider = get_credential_provider(parsed_args)