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-rw-r--r--conf/__init__.py3
1 files changed, 3 insertions, 0 deletions
diff --git a/conf/__init__.py b/conf/__init__.py
index 83c5475f..6dff8360 100644
--- a/conf/__init__.py
+++ b/conf/__init__.py
@@ -256,6 +256,9 @@ class Settings(object):
Expand VM option with given key for given number of VMs
"""
tmp_value = self.getValue(key)
+ # skip empty/not set value
+ if not tmp_value:
+ return
if isinstance(tmp_value, str):
scalar = True
master_value = tmp_value