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-rw-r--r--heat/engine/template_files.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/heat/engine/template_files.py b/heat/engine/template_files.py
index 184c9d392..844a5fbe4 100644
--- a/heat/engine/template_files.py
+++ b/heat/engine/template_files.py
@@ -76,7 +76,7 @@ class TemplateFiles(collections.Mapping):
def __iter__(self):
self._refresh_if_needed()
- if self.files_id is None:
+ if self.files is None:
return iter(ReadOnlyDict({}))
return iter(self.files)