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-rw-r--r--lib/ansible/utils/__init__.py17
1 files changed, 10 insertions, 7 deletions
diff --git a/lib/ansible/utils/__init__.py b/lib/ansible/utils/__init__.py
index 59324eb84e..f066100759 100644
--- a/lib/ansible/utils/__init__.py
+++ b/lib/ansible/utils/__init__.py
@@ -1006,17 +1006,20 @@ def is_list_of_strings(items):
return True
def list_union(a, b):
- result = list(a)
- for i in b:
- if i not in result:
- result.append(i)
+ result = []
+ for x in a:
+ if x not in result:
+ result.append(x)
+ for x in b:
+ if x not in result:
+ result.append(x)
return result
def list_intersection(a, b):
result = []
- for i in a:
- if i in b:
- result.append(i)
+ for x in a:
+ if x in b and x not in result:
+ result.append(x)
return result
def safe_eval(expr, locals={}, include_exceptions=False):