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-rw-r--r--yardstick/orchestrator/heat.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/yardstick/orchestrator/heat.py b/yardstick/orchestrator/heat.py
index 1a8beaeb6..754482e4f 100644
--- a/yardstick/orchestrator/heat.py
+++ b/yardstick/orchestrator/heat.py
@@ -53,7 +53,7 @@ class HeatStack(object):
def create(self, template, heat_parameters, wait, timeout):
"""Creates an OpenStack stack from a template"""
with tempfile.NamedTemporaryFile('wb', delete=False) as template_file:
- template_file.write(jsonutils.dumps(template))
+ template_file.write(jsonutils.dump_as_bytes(template))
template_file.close()
self._stack = self._cloud.create_stack(
self.name, template_file=template_file.name, wait=wait,