From a241842ef941ebf9e921d661ecf46e06c32b7b2a Mon Sep 17 00:00:00 2001
From: Anders Ingemann <anders@ingemann.de>
Date: Wed, 31 Dec 2014 13:40:16 +0100
Subject: [PATCH] Better dict merging (less side-effectful)

---
 tests/integration/manifests/__init__.py | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/tests/integration/manifests/__init__.py b/tests/integration/manifests/__init__.py
index 615e3e5..d6afbd6 100644
--- a/tests/integration/manifests/__init__.py
+++ b/tests/integration/manifests/__init__.py
@@ -32,15 +32,11 @@ def merge_dicts(*args):
 	def clone(obj):
 		copy = obj
 		if isinstance(obj, dict):
-			copy = {}
-			for key, value in obj.iteritems():
-				copy[key] = clone(value)
+			copy = {key: clone(value) for key, value in obj.iteritems()}
 		if isinstance(obj, list):
-			copy = []
-			copy.extend(obj)
+			copy = [clone(value) for value in obj]
 		if isinstance(obj, set):
-			copy = set()
-			copy.update(obj)
+			copy = set([clone(value) for value in obj])
 		return copy
 
 	def merge(a, b, path=[]):