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-rw-r--r--heatclient/v1/shell.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/heatclient/v1/shell.py b/heatclient/v1/shell.py
index 3315124..508d7db 100644
--- a/heatclient/v1/shell.py
+++ b/heatclient/v1/shell.py
@@ -84,7 +84,7 @@ def do_stack_create(hc, args):
'disable_rollback': not(args.enable_rollback),
'parameters': utils.format_parameters(args.parameters),
'template': template,
- 'files': dict(tpl_files.items() + env_files.items()),
+ 'files': dict(list(tpl_files.items()) + list(env_files.items())),
'environment': env
}